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258results about How to "Shorten the time difference" patented technology

Audio and video synchronous processing device and method

The invention provides an audio and video synchronous processing device which comprises a de-encapsulation device and an encapsulation device. The de-encapsulation device is used for analyzing different audio and video files into corresponding audio frame sequences and corresponding video frame sequences, the encapsulation device is used for adjusting a timestamp of an audio frame sequence and a video frame sequence of a previous order and a timestamp of an audio frame sequence and a video frame sequence of a latter order by acquiring the difference between the timestamp of the audio frame sequence and the video frame sequence of the previous order and the timestamp of the audio frame sequence and the video frame sequence of the latter order, so that the audio frame sequence and the video frame sequence of the previous order are synchronous with the audio frame sequence and the video frame sequence of the latter order, and the audio frame sequences and the video frame sequences are encapsulated after adjusted. The invention further provides an audio and video synchronous processing method.
Owner:TVMINING BEIJING MEDIA TECH

Steel plate quenching cooling method and device

ActiveCN102925633AQuick and easy immersionSolve the problem of large differences in cooling intensityFurnace typesHeat treatment furnacesTime differenceQuenching
The invention provides a steel plate quenching cooling method and device. The method comprises the following steps of: placing a steel plate on a material rack above a quenching tank in a way of enabling the plate surface of the steel plate to be parallel to the liquid level, downwards rotating the material rack to a certain angle by taking one side of the material rack in the length direction as a rotating shaft under the drive of a driving device to partially immerse the steel plate into liquid, simultaneously injecting the liquid into the quenching tank to enable the liquid level of the liquid in the quenching tank to rise till the steel plate is completely immersed, and further realizing oblique quenching cooling of the steel plate. The steel plate quenching cooling device comprises a quenching steel plate oblique liquid immersion and liquid outlet system, a system for water injection from an outer tank body into an inner tank body and a rapid water drainage system. According to the method and the device, disclosed by the invention, the steel plate can be immersed into the liquid with a certain inclination angle quickly and conveniently, the problem of great difference of cooling intensity between the upper plate surface and the lower plate surface caused by incapability of smoothly exhausting a large quantity of steam film on the lower surface of the steel plate after the steel plate is horizontally placed and immersed into the liquid can be solved, and the time difference between one side which is firstly immersed into the liquid and the side which is later immersed into the liquid when the steel plate is immersed into the liquid in a vertical way can be simultaneously reduced.
Owner:SHANGHAI JIAO TONG UNIV

Live broadcast method, device and system, equipment and computer readable storage medium

The invention discloses a live broadcast method, device and system, equipment and a computer readable storage medium, and the method comprises the steps: firstly caching unplayed audio and video datato a cache region, and carrying out the accelerated playing of the audio data in the unplayed audio and video data in the cache region when the audio and video data in the cache region reaches a firstthreshold value; and finally, playing the video data corresponding to the accelerated playing audio data. According to the invention, when the playing end is jammed, the audio data in the cache region is played in an accelerated manner, so that the time difference between the playing content of the playing end and the real-time live broadcast content is reduced while the integrity of the live broadcast content is ensured, and the synchronization of the playing content of the playing end and the real-time live broadcast content is automatically realized; moreover, the corresponding video datacan be played according to the audio data which is being played in an accelerated manner at present, so that the audio and the video are synchronously played, the watching experience of the user is improved, and the live broadcast method, device and system, the equipment and the computer readable storage medium can be widely applied to the technical field of the Internet.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Method for improving continuous casting plate blank central segregation based on growth morphology analysis of coagulating shell

InactiveCN101480709AExpand the distribution areaAvoid excessive segregationMetallurgyImprovement methods
The invention provides an improving method for the center segregation of a continuous casting sheet billet based on the growth appearance analysis of a solidifying shell, which comprises the following steps: simulating and analyzing the growth appearance of the solidifying shell of the continuous casting sheet billet in the actual production process of steel continuous casting through a solidified two-dimensional heat-transferring simulation model of the continuous casting sheet billet; researching a segregation forming area and the segregation degree of the continuous casting sheet billet; starting from a secondary cooling technological structure of the continuous casting sheet billet and the cooling distribution homogeneity of the width direction of the continuous casting sheet billet, and optimizing and adjusting the secondary cooling technological structure and a secondary cooling nozzle arranging system of a continuous casting machine, in particular to a cooling nozzle arranging structure on the width direction of the continuous casting sheet billet, so as to reach the aim of controlling and improving the center segregation quality problem of the continuous casting machine. The invention makes segregation solute be evenly distributed all parts of the center of the width direction of the continuous casting sheet billet, and avoids the excessive segregation at some place caused by the local segregation aggregation of solute elements, thereby effectively lightening the center segregation problem of the continuous casting sheet billet, in particular to a plate blank.
Owner:CHONGQING UNIV

Multi-processor system and clock synchronization method

Embodiments of the invention relate to a multi-processor system and a clock synchronization method. The method comprises the steps of when a slave processor subjected to hot plugging is detected by a master processor, if a high level of a TSC synchronous pin is effective, enabling the TSC synchronous pins of all the processors, and sending an indication signal to a first programmable logic device, wherein the indication signal is used for indicating the first programmable logic device to generate a high pulse starting from a low level and greater than a preset time length at falling edges of a first number of bus clocks; sampling count values of a TSC counter through rising edges of internal synchronous clocks after the master processor and each slave processor detect that the high pulse reaches the TSC synchronous pins of the master processor and each slave processor; and enabling each slave processor and the master processor to perform TSC clock synchronization according to the count values, sampled by each slave processor and the master processor, of the TSC counter. According to the system and the method, the master processor is matched with the programmable logic device, so that the success rate of the TSC clock synchronization can be increased.
Owner:XFUSION DIGITAL TECH CO LTD

Construction method of whole reverse replacement of structure

InactiveCN101832034AReduce the amount of single uninstallShorten the time differenceBuilding repairsFloor slabTime difference
The invention discloses a construction method of whole reverse replacement of a structure, comprising the following steps: (1) constructing N numbered layers: removing the N+1st layer of original floorslab, and temporarily reserving an original girder, a heel post and an inner wall on the upper layer thereof; (2) building a bent frame to the lower girder bottom of the N+1st layer of the original floorslab, and carrying out construction on an outer wall reinforced layer and the new frame column of the layer; (3) removing the N+1st layer of the original floorslab, erecting form, binding reinforcing steel bars, and pouring the N+1st layer of new frame girder and the floorslab; (4) repeating the above steps, and upwards constructing layer by layer; and (5) after capping the new frame girder, removing the temporarily reserved original heel post and internal wall from top to bottom. The invention can reduce external wall side once unloading amount caused by integral removal of the original structure, shortens the time difference between old structure removal and new structure formation, does not damage the reserved external wall and saves extra timbering cost for the external wall; and old structure removal and new structure construction are carried out simultaneously so as to shorten the construction period.
Owner:SHANGHAI CONSTR NO 1 GRP

Bus receiver and method of deskewing bus signals

A bus receiver receives at least one first signal and a second signal both generated from a chip connected to a parallel bus. The bus receiver includes a receiving module and a deskewing module. The receiving module is electrically connected to the parallel bus and receives the first signal and the second signal transmitted through the parallel bus. The deskewing module is electrically connected to the receiving module and deskews the phase of the first signal and the phase of the second signal. The first signal and the second signal are in the same phase.
Owner:VIA TECH INC

Video playing method and device

ActiveCN111277884AReduced discrepancy between playback progressShorten the time differenceSelective content distributionDisplay deviceEngineering
The invention discloses a video playing method and device, and belongs to the technical field of multimedia. The method is applied to target display equipment and comprises the steps that a target video sent by a server is received, the server is used for sending the target video to multiple pieces of display equipment, the multiple pieces of display equipment are used for synchronously playing the target video, and the target display equipment is any one piece of display equipment in the multiple pieces of display equipment; in the process of receiving the target video, playing the received part in the target video at a first playing speed; determining an absolute value of a time difference between the playing progress of the target video and a theoretical playing progress, wherein the theoretical playing progress is sent to the plurality of display devices by the server; and when the absolute value is greater than the first duration, adjusting the playing progress of the target video. According to the method and the device, the problem of relatively large playing progress difference of each display device to the video in the virtual studio is solved. The video playing method anddevice are used for playing videos.
Owner:JUHAOKAN TECH CO LTD

Drying device capable of keeping original shape of dried golden camellia flowers

InactiveCN104770488AWon't breakImprove unit circulationPre-extraction tea treatmentHigh densityPetal
The invention discloses a drying device capable of keeping the original shape of dried golden camellia flowers. The drying device comprises a drying chamber, a heating chamber, a screen protector, a hole screen device and a control cabinet, wherein the drying chamber is internally provided with a flower supporting frame comprising a plurality of layers of baffles with ventilation holes and flower supporting cylinders arranged on the baffles, wherein the flower supporting cylinders are of hollow circular truncated cone structures with two hollow ends; the bottom of each baffle, dead against each flower supporting cylinder, is provided with an annular air exhaust pipe connected with an air inlet; and the upper and lower surfaces of each annular air exhaust pipe are provided with air exhaust holes. According to the invention, the flower supporting cylinders of the hollow circular truncated cone structures are adopted, so that petals in the drying process can be supported to the peripheral surfaces of the flower supporting cylinders at a natural state, and end parts of flower columns cannot be cracked due to relatively thin root parts; in addition, the designed annular air exhaust pipes can ventilate flower stalks with high thickness and flower buds with high density so as to enhance the circulation amount per unit of ventilation, and further the drying speed is accelerated, and the time difference from the petal drying time is shortened.
Owner:DONGXING XINYU IND

Information processing method and device, electronic equipment, and storage medium

The invention provides an information processing method and device, electronic equipment and a storage medium, and relates to the technical field of computers. The information processing method comprises the steps of providing a target skill area on a graphical user interface, wherein the target skill area comprises a plurality of skill controls and a plurality of mapping areas corresponding to the plurality of skill controls; acquiring a motion track of a first touch operation in response to the first touch operation on the mapping region; determining a skill control corresponding to the mapping area passed by the motion track according to the mapping area passed by the motion track; and triggering the skill corresponding to the skill control in response to the end of the first touch operation. The technical scheme provided by the embodiment of the invention can reduce an operation threshold and an error rate of skill recruitment realization, the accuracy and the continuity of the operation of the player are improved, and the game playability and the game experience of the player are improved.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Light receiver, light reception method and transmission system

According to one embodiment, a light receiver includes a light reception module, a multi-exposure area selector, a multi-exposure controller, and a readout module. The light reception module includes N lines, each of the N lines having a plurality of light receiving elements. The multi-exposure area selector is configured to select one or a plurality of single-exposure lines and one or a plurality of multi-exposure lines. The multi-exposure controller is configured to, per the unit time, perform an exposure on the single-exposure lines one time for a first exposure time; and a first exposure and a second exposure on the multi-exposure lines. The readout module is configured to read exposure amounts of the lines line by line. The multi-exposure controller is configured to start the second exposure on the multi-exposure lines before reading of the exposure amounts of all the single-exposure lines is completed.
Owner:KK TOSHIBA

Shaping device for cylindrical flange plate after forging and working method

The invention relates to the field of flange plate forging, in particular relates to to a shaping device for a cylindrical flange plate after forging and a working method. The shaping device comprisesa base, a supporting frame, a controller, a rotating mechanism, a repairing mechanism and a position adjusting mechanism, wherein the rotating mechanism comprises a machining table and a rotating component; the position adjusting mechanism is arranged at the top of the base so as to support the repairing mechanism to adjust the position, and the position adjusting mechanism comprises a lifting plate, a sliding component and a jacking component; the repairing mechanism comprises a bearing plate, a hammer head, a spray head, a material receiving pipe, a pushing component and a discharging component; and the rotating component, the sliding component, the jacking component, the pushing component and the discharging component are electrically connected with the controller. According to the shaping device for the cylindrical flange plate after forging and the working method, various defects on the outer wall of the flange plate can be detected in time and repaired in time, and meanwhile, most of repairing modes are automatic; and meanwhile, frequent contact of workers is not needed in the repairing process, and thus potential safety hazards are small.
Owner:含山县龙顺机械配件厂

Touch feedback apparatus, electronic device and touch feedback method

The invention discloses a touch feedback apparatus, an electronic device and a touch feedback method. The touch feedback apparatus comprises a touch key, and the touch feedback apparatus further comprises a pressure sensitive induction module, a control module, a processing module, an interaction module and a vibration module. Compared with the prior art, in the touch feedback apparatus disclosed by the embodiment of the invention, when a user presses the touch key, a generated pressing signal can be simultaneously sent to the control module and the processing module, and the control module and the processing module can separately generate a pressing interaction signal and pressing vibration information according to the pressing signal so as to indicate the corresponding interaction module and the vibration module to realize interaction response and vibration response at the same time. Therefore, the time difference between the generation time of the pressing interaction signal and the generation time of the pressing vibration signal can be reduced, and the problems of relatively large response delay and relatively small response speed of the existing touch feedback apparatus are solved.
Owner:MEIZU TECH CO LTD

System capable of achieving browser data synchronization

The invention relates to a system capable of achieving browser data synchronization. The system comprises a cloud storage server side, a push server, a plurality of browser client sides and a socket server, wherein the cloud storage server side is used for issuing condition information and command information to the push server when data are updated; the push server is used for determining the target client side from the plurality of browser client sides according to the condition information and transmitting the command information to the socket server which is connected with the target client side; the target client side is used for achieving data synchronization between the target client side and the cloud storage server side according to the command information; and the socket server is used for transmitting the command information coming from the push server to the corresponding target client side. By the aid of the system, the high-efficiency transmission of synchronous data can be achieved, the execution time can be shortened, the resource consumption can be reduced, the system efficiency can be improved, and the instantaneity of services can be improved.
Owner:BEIJING QIHOO TECH CO LTD

Static walk gait and diagonal trot gait switching algorithm applied to quadruped bionic robot

ActiveCN106354137AImprove the stability and smoothness of gait switchingStable gait switchingPosition/course control in two dimensionsVehiclesMode controlPhase difference
The invention relates to a static walk gait and diagonal trot gait switching algorithm applied to a quadruped bionic robot, and provides six conditions in which an intermittent static walk gait is switched to a diagonal trot gait, and an optimal switching method. According to the algorithm, a defining method for describing the positions of foot ends in a gait switching process is given, and the intermittent static gait and points, which can be switched, thereof as well as the diagonal trot gait and points, which can be accessed, thereof are provided; after that, rules of rhythm control and a strategy of mode control are given in the gait switching process, so that the smoothness of speed is guaranteed in the switching process; finally, an improved generic stability margin stability discrimination method is provided, so that the stability of a robot body which is in a state of acceleration can be accurately monitored during gait transition. The algorithm considers phase difference and switching speed at the same time, thus shortening the time difference from receiving a switching signal to beginning the switching while improving the stability and smoothness of gait switching, and enabling the gait switching of the robot to be stable and efficient.
Owner:青岛惠尔浦智能科技有限公司

Game picture display method and device, storage medium and electronic equipment

The invention discloses a game picture display method and a device, a storage medium and electronic equipment, which are applied to the electronic equipment and comprise the following steps: receivinga human body information acquisition instruction sent by a server; calling a camera module to perform image acquisition on a user according to the human body information acquisition instruction to obtain a continuous frame color image and a depth image; in an image acquisition process, determining skeleton point information of the user according to the color image and the depth image; sending theskeleton point information to the server, so that the server returns a corresponding game picture according to the skeleton point information; and displaying the game picture returned by the server in the display screen, so that the user can input the game instruction through own limb movement, and the method is suitable for various online games and has small limitation.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Solid particle cooling device

InactiveCN103047879ADoes not affect fluidizationPrevent backmixingDirect contact heat exchangersFluidized bedCooling effect
The invention discloses a solid particle cooling device and relates to the technical field of cooling of solid particles. The solid particle cooling device comprises a fluidized bed cooler, wherein the fluidized bed cooler is internally provided with a cooling assembly; and the cooling assembly is arranged in an upper box body of the fluidized bed cooler and above a distribution plate. By using the solid particle cooling device, the cooling efficiency is increased and a cooling effect is improved in many ways; the solid particles are in great and sufficient contact with the cooling assembly when being cooled by fluidized air so that a great deal of heat is taken away by a refrigerant fluid in the cooling assembly; the stopping time difference of different particles in the fluidized bed is reduced due to the existence of the cooling assembly, and the particles are uniformly cooled on the whole; and the problem of dust scabs can be avoided, so that the cooling assembly keeps the optimal cooling efficiency in long-term operation. Compared with the traditional fluidized bed cooler, the solid particle cooling device can be used for reducing the demand of the fluidized air by over 30% on the premise that the same heat is taken away; and compared with the traditional plate cooker, the solid particle cooling device can be used for reducing the equipment height by over 50%.
Owner:王岩

Multi-coal-seam capsule isolation and separate layer fracturing device and method

ActiveCN106121614AThe cementing method is simpleReduce cementing costsFluid removalSealing/packingOperabilityHydraulic fracturing
The invention discloses a multi-coal-seam capsule isolation and separate layer fracturing device and method. The fracturing device comprises a sleeve arranged in an open hole and penetrating multiple coal seams. Multiple prefabricated pipe sections corresponding to the multiple coal seams in position correspondingly are formed on the sleeve. The sleeve is sleeved with multiple capsule bags used for forming a capsule bag type well cementation structure together with the sleeve and rock stratums on the two sides of the coal seams. The adjacent capsule bags communicate through communicating pipes. One of the capsule bags is connected with a grouting system through a grouting pipe. A capsule hole-sealing fracturing device of an integrated structure is movably arranged in the sleeve and is connected with a fracturing pump set to be used for conducting hydraulic fracturing on the coal seams layer by layer, and before any coal seam is fractured, capsule hole-sealing structures are formed on pipe hole sections, behind and in front of the corresponding prefabricated pipe section, on the sleeve. According to the fracturing method, separate layer fracturing is conducted on the basis of the device mentioned above. The multi-coal-seam capsule isolation and separate layer fracturing device and method have the beneficial effects that the fracturing device is simple in structure, good in hole sealing effect and low in manufacturing cost; and the fracturing method is high in operability, high in efficiency and good in coal seam permeability increase effect.
Owner:重庆市能源投资集团科技有限责任公司 +1

Shaping device for maintaining original shape of dried golden camellia flowers

The invention discloses a shaping device for maintaining the original shape of dried golden camellia flowers. The shaping device comprises multiple layers of separating plates with breathing holes, and flower supporting cylinders arranged on the separating plates. The flower supporting cylinders are of a hollow circular truncated cone structure with the two ends open, the bottom angle of the shaft section of the flower supporting cylinders ranges from 30 degrees to 50 degrees, and the height of the shaft section ranges from 1.5 cm to 2.2 cm. The flower supporting cylinders are arranged on the separating plates in a matrix form, annular exhaust pipes connected with an air inlet pipe of a drier are arranged at the parts, exactly facing the flower supporting cylinders, of the bottoms of the separating plate, and exhaust holes are formed in the upper surfaces and the lower surfaces of the annular exhaust pipes. The flower supporting cylinders of the hollow circular truncated cone structure are adopted, petals can be supported on the peripheral surfaces of the flower supporting cylinders in the natural state of the petals in the drying process, and the phenomenon that styles are fractured due to the fact that the root parts of the styles are thinner than the ends can be avoided; in addition, the exhaust pipes are designed, ventilation can be specially carried out on thick flower stalks and dense stamina, the unit circulation amount of the ventilation of the thick flower stalks and the dense stamina is increased, the drying speed is increased, and the time difference with the drying of the petals is reduced.
Owner:DONGXING XINYU IND

Construction site steel pipe surface cleaning equipment

The invention relates to the field of cleaning devices, in particular to construction site steel pipe surface cleaning equipment. The equipment comprises a base and a cleaning box and further comprises a controller, a conveying mechanism, a beating mechanism and a scraping mechanism. The conveying mechanism is arranged at the top of the base to be used for conveying steel pipes and comprises a transmission assembly and two conveying tables. The beating mechanism is arranged at the top of the inner side of the cleaning box and used for beating the steel pipes, the beating mechanism comprises ahammer head and a rotating assembly, the scraping mechanism is arranged at the top of the inner side of the cleaning box and used for scraping impurities such as concrete on the surfaces of the steelpipes, the scraping mechanism comprises a scraping head, a pushing assembly and a limiting assembly, and the transmission assembly is electrically connected with the controller. According to the construction site steel pipe surface cleaning equipment, manpower is automatically replaced, the cleaning efficiency is high, the labor intensity is low, the noise is low, meanwhile, the power consumptionis low, the cleaning cost can be reduced, the cleaned impurities can be effectively collected, and pollution is avoided.
Owner:巢湖市鼎力铁塔有限公司

Motion artifact reduction method based on flight time depth camera

The invention discloses a motion artifact reduction method based on a flight time depth camera. The flight time depth camera comprises a light emission module, a sensing module and a control module used for controlling the light emission module and the sensing module and carrying out data storage processing. The motion artifact reduction method comprises the following steps that S1, the light emission module emits light outwards; S2, the sensing module receives a reflection light signal from a target object to generate a relevant time diagram; and S3, the control module processes the relevanttime diagram, and generates a depth map through depth calculation, wherein a sensing array of the sensing module is divided into a plurality of regions to be exposed block by block, and each region respectively and continuously acquires a plurality of relevant time diagrams for depth calculation in the step S2. According to the method, the time difference of exposure of different frames due to a data transmission process is reduced, and the phenomenon of artifact on the edge of the object under the motion condition is reduced.
Owner:HANGZHOU LANXIN TECH CO LTD

Link rapidly recovering method and device

The invention provides a link rapidly recovering method and device. The method comprises the following steps of: A, after ensuring that each port of a link is usable in a physical state, starting a logic state conversion timer at a port of the end, and sending an informing message for triggering logic state conversion to the port of the opposite end; B, detecting whether the port of the end receives a verifying message about the informing message, send by the port of the opposite end, if so, executing a step E, and otherwise, executing a step C; C, detecting whether the port of the end receives the verifying message for triggering logic state conversion, send by the port of the opposite end, if so, sending the verifying message about the informing message to the port of the opposite end and executing the step E, and otherwise, executing a step D; D, checking whether the logic state conversion timer at the port of the end is timeout, if so, sending the informing message for triggering logic state conversion to the port of the opposite end again, restarting the logic state conversion timer and returning to the step B, and otherwise, returning to the step B; and E, closing the logic state conversion timer at the port of the end, triggering an upper layer to convert the logic state of the port of the end to a usable logic state.
Owner:NEW H3C TECH CO LTD

Apparatus and method for controlling group data to provide multi-media broadcasting/multi-point transmission service

An apparatus and method for providing multimedia broadcast and multicast services in a CDMA (Code Division Multiple Access) mobile communication system. The apparatus and method enable a common MBMC (Multimedia Broadcast / Multicast Control) layer to be allocated between a plurality of cells, enable MBMC layers to be classified on the basis of types of services, and use the classified MBMC layers. That is, individual MBMC layers do not have to store large-capacity data because a unique service or transmission rate in each of cells is based on a slow rate, and the individual MBMC layers corresponding to respective cells process a service requiring complex scheduling. Moreover, the apparatus and method enable the same information to be provided to a plurality of cells and enable a streaming-type service to be processed in a common MBMC layer commonly used in the cells. The apparatus and method can not only reduce an overhead of storage and processing devices but also minimize a time difference between broadcast and multicast timings of different cells, by enabling the common MBMC layer to commonly process MBMS information for the plurality of cells.
Owner:SAMSUNG ELECTRONICS CO LTD

Spinning assembly and spinning method thereof

The invention discloses a spinning assembly which comprises a barrel and a spinning plate. The spinning plate is provided with a spinning area which is provided with spinning holes. The upper side of the spinning plate is connected with a containing chamber, a distribution chamber is arranged in the containing chamber and corresponds to the spinning area, a filter plate is arranged in the containing chamber, a flow passing block is arranged above the containing chamber, and a main flow channel and a plurality of flow dividing channels are formed in the flow passing block. Fluid outlets of the flow dividing channels are provided with chamfers to form frustum-shaped flow dividing grooves with the fluid outlets as centers. The opening in one end, far away from a flow dividing outlet, of each flow dividing groove is as large as the opening of the distribution chamber. Flow equalizing plates are arranged between the flow dividing grooves and the distribution chamber. Each flow equalizing plate is provided with a plurality of flow passing channels from the circle center of the flow equalizing plate, and the lengths of the flow passing channels are gradually reduced. The flow equalizing plates are arranged between the fluid distribution chamber of the spinning assembly and the fluid flow dividing channels, so that time difference generated in the process that fluid enters the distribution chamber is reduced, heat loss of the fluid is more uniform, yarn bundle crystallization is more uniform, and spinning quality is improved.
Owner:浙江恒百华化纤有限公司

Direct-flow biological nitrogen removal sewage treatment method

The invention relates to a direct-flow biological nitrogen removal sewage treatment method, and belongs to the field of sewage treatment. The full flow of sewage at an NH3-N concentration of less than 60mg / l flows from a first-stage aerobic pond at a beginning end to an anaerobic pond sequentially, then flows into a second-stage aerobic pond at a terminating end, and is discharged without refluxing. In the first-stage aerobic pond, the dissolved oxygen concentration is more than 5mg / l, and the BOD5 removal rate is less than 50 percent. A biological mass is put into the anaerobic pond, wherein the biological mass consists of a shell and an inner core; the shell is a ball with the porosity of 90 to 94 percent consisting of 10 to 12 pieces of arc plastic sheets; the inner core in the center of the ball is an aldehyde fiber ball; the porosity expands and increases from the inner core in the center of the ball to the outside gradually; and the volume of the put biological mass is 50 to 70 percent of the effective capacity of the anaerobic pond. By improving an A20 process flow and combining with the application of a three-phase biological mass, the method achieves the dynamic balance of overall amount of aerobic bacteria, facultative bacteria and anaerobic bacteria, shortens the time difference between the nitrification and the denitrification of ammonium nitrogen and between the anaerobic release and the aerobic release of phosphorus, stably improves the nitrogen removal efficiency to above 90 percent, and can save the energy consumption by 0.1 to 0.2kwh / m3 and the operating cost by 0.07 to 0.12 yuan / m3.
Owner:JIANGHUA WATER TREATMENT EQUIP PLANT JIANGSU +1
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