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45results about How to "Strong ability to resist risks" patented technology

Active power distribution network energy storage planning method based on fragility theory

The invention belongs to a power grid energy storage planning field, and particularly relates to an active power distribution network energy storage planning method based on a fragility theory. The active power distribution network energy storage planning method is characterized by comprising the following steps: firstly determining the parameter information and control variable of an AND energy storage planning model based on the fragility theory; then taking the initial set Omega g composed of all energy storage installation nodes to be selected in a determined representation system as the control variable of an energy storage configuration node range model, using comprehensive fragility variable delta R before and after system placement energy storage as an evaluation index, researching the fragility degree of each node in an active power distribution network, and determining the range of the energy storage installation nodes to be selected in the system; establishing the AND energy storage planning model based on the fragility theory; and finally carrying out iterative solving on the energy storage planning model by using a pre-defined algorithm. According to an energy storage location planning model based on the fragility theory provided by the invention, the two aspects of economical efficiency and improvement on system fragility can be taken into account comprehensively, and the obtained planning scheme has relatively high application value.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

A method for continuous file transfer at interruption point in instant communication tool

The invention provides a method for transmitting documents by breakpoint transmission with an instant communications tool, which includes the following steps: when a client terminal receives documents, a server is connected, an instruction for receiving documents is sent to the server, and the client terminal then creates a new task of document transmission; after the instruction for receiving documents is received by the server, the data of the documents are sent to the client terminal which stores the data of the task on a regular basis; if the client terminal fails to complete the receiving of the documents, the client terminal then transmits the task information to the server requesting for receiving the remaining document data, the server then continues to transmit the remaining document data after receiving the request when a user receives documents the next time; if the client terminal completes the receiving of the documents, the client terminal then notifies the user that the receiving is completed, and the task of document transmission is deleted. The time for repeated transmission is saved in transmitting documents by breakpoint transmission, and the pressure on network is alleviated, thus improving efficiency of transmission and strengthening the ability to withstand risks. Therefore, the method is suitable for the instant communications software applied in ever-changing network environment with frequent on-and-off-line of users.
Owner:BEIJING YIQI TELECOMM TECH

Pure white new hypsizigus marmoreus bacterial strain

The invention provides a pure white new hypsizigus marmoreus bacterial strain Finc-W-62, and the preservation number of the bacterial strain is CCTCC NO: M 2012375. The culture and cultivation periods of Finc-W-62 are short, the production cost is low, pileus is not easy to open, tumor stropharia rugosannulata ratio is low, the appearance quality is improved and sporophore shelf life is long.
Owner:SHANGHAI FINC BIO TECH INC

Seal type pipeline culture device of bait microalgae and microalgae pipeline culture method

The invention relates to a seal type pipeline culture device of bait microalgae and a microalgae pipeline culture method. The device comprises a plurality of producing units, wherein each unit comprises an underground pipeline (14) and a plurality of vertical transparent pipelines which are connected in parallel; each transparent pipeline is communicated with the underground pipeline (14); the transparent pipeline comprises a barrel body (1), a barrel body upper end cover (21) and a barrel body flange (11); the barrel body upper end cover (21) is provided with a water inlet (9) and a feeding opening (8); and a lamp tube shell (4) is inserted into the barrel body (1), and the barrel body is provided with a cleaning valve steel pipe (3) and a cleaning valve (2). Meanwhile, the barrel body upper end cover (21) is also provided with an electromagnetic exhaust valve (20) and a through hole (21) which is communicated with an air inlet pipe (18). In the invention, processed animal excrement is used as a microalgae nutrient solution. The device has the advantages of high culture density, high stability and high risk resistant capacity and can realize the industrialized production of the bait microalgae.
Owner:北京华夏九州农业科技研究院

Protection method for satellite borne phased array TR (Transmitter/Receiver) component single event upset

The invention provides a protection method for satellite borne phased array TR (Transmitter / Receiver) component single event upset. The method comprises the following specific process that: S1: a wave control system carries out calculation to obtain the state data of each register of the TR component, carrying out odd verifying coding, and the coded data is sent to the TR component; S2: a register odd verifying module arranged in the TR component carries out the odd verifying on the received data; and S3: when the wave control system detects that a verifying result output by the certain TR component is wrong, current work is immediately interrupted, an emergency data anomaly maintenance mechanism is started, i.e., the wave control system schedules resources to immediately calculate and configure failed TR component register data. The method owns a capability of automatically monitoring the single event upset, can automatically trigger superior equipment (wave control system) to refresh the TR component, so that the refreshing strategy of the superior equipment (wave control system) is more flexible, and pertinence is higher.
Owner:BEIJING INST OF SPACECRAFT SYST ENG

WEB session management system and management method

The invention discloses a WEB session management system and management method. The method comprises the following steps: a system generates an ID for identifying a user and saves the ID in a cache module when the user logs the system at the first time, and then adds the user ID in the HTTP response; when the user accesses the system, the system reads the user ID from the HTTP response, and reads the login information of the user from the cache according to the ID identifier of the user; when the user exits the system, a control module deletes the corresponding session information from the cache module. Through the WEB session management system and management method disclosed by the invention, the session management coupled into a WEB server is independent from the WEB server by self-establishing a WEB session management component, thereby realizing the free modification and clipping on the session management module and creating the cluster, the system stability is improved, and systemhas strong applicability and extendibility.
Owner:DFINE TECH

Jet noise active control test platform based on engine jet pipe scaling model

The invention relates to a jet flow noise active control test platform based on an engine jet pipe scaling model. The jet flow noise active control test platform comprises a turbofan engine jet pipe scaling model, an air supply system, a noise reduction test cabin, a noise spectrum measuring device, an electric valve and a controller. The jet flow noise radiation is adjusted through the micro jet flow and the change of the configuration and angle of the outer duct guide vane, and the test piece is a scale model of the engine jet pipe and comprises a jet pipe test piece with micro jet flow and jet pipe test pieces with various outer duct guide vane configurations. The air supply system adopts a screw type air compressor and a high-pressure air tank, and the flow of air and micro jet flow entering the inner duct and the outer duct is changed by adjusting an electric valve. The noise spectrum measuring device comprises a noise spectrum measuring instrument, a microphone array and signal processing software, and is used for processing and analyzing acquired sound signals on line. And the spray pipe scaling model and the noise spectrum measuring device are both placed in a test cabin provided with a sound absorption material. The platform has the advantages of high flexibility, convenient test and low cost.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Automatic mine drainage control system

The invention discloses an automatic mine drainage control system. The system comprises a ground central control room and a plurality of pump rooms, wherein an upper computer is installed in the central control room and comprises two industrial personal computers, each pump room comprises a plurality of inner water sumps and a plurality of outer water sumps, water pumps, ultrasonic flowmeters, mining pressure sensors, negative pressure sensors and liquid level sensors are arranged in the outer water sumps and the inner water sumps, a monitoring stations are arranged in the pump rooms, the manual / automatic control function of one / the plurality of water pumps is achieved, and meanwhile the complete monitoring protection and alarm functions of the water level, the pressure, the flow, the temperature and the like are achieved. The system has the advantages that the system adopts a two-stage network topology structure; although double redundancy backup systems are adopted by a ground system, an underground and ground interruption emergency mechanism is still designed in the system, once the system breaks down, an underground-130 pump room No.1 master station automatically takes over and are responsible for control and analysis authority of the whole system, and it is guaranteed that the risk resistance of the whole system is high.
Owner:王振西

High-efficiency energy-saving environment-friendly carbonization furnace

The invention discloses a high-efficiency energy-saving environment-friendly carbonization furnace which comprises a blanking machine, a bracket, a rotary drum, a rotator and a discharging device, wherein the rotary drum is installed on the bracket in a higher-left lower-right mode; the rotator drives the rotary drum to rotate through a rolling ring; the left end of the rotary drum is provided with the blanking machine, and the right end is provided with the discharging device; the hollow part of the rotary drum is provided with a flue bin; the inner side of the wall of the rotary drum is uniformly provided with a plurality of carbonization bins; the bottom end of the blanking machine is provided with a blanking device; the blanking device is connected with one end of the carbonization bin on the left lower part of the rotary drum, and the other end of the carbonization bin is connected with the discharging device; the flue bin penetrates through the hollow part of the discharging device through a gas inlet pipe and is connected with an air mixer; the flue bin penetrates through the hollow part of the blanking machine through a gas outlet pipe; the upper part of the discharging device is provided with an air induction pipe; and the outer end of the air induction pipe is connected with a first induced fan.
Owner:山西华青环保股份有限公司

Horizontal push-flow continuous dry fermentation equipment and method

The invention discloses horizontal push-flow continuous dry fermentation equipment and method, and relates to the technical field of material fermentation. The equipment comprises a fermentation equipment body, a material inlet is arranged in the top of the front end of the fermentation equipment body, and a material outlet is arranged in the bottom of the rear end of the fermentation equipment body; the outer wall of the fermentation equipment body is provided with a heat preservation device, the interior of the fermentation equipment body is provided with a stirring device, the stirring device includes a stirring shaft and stirrers, the stirring shaft is arranged in parallel at the middle of the fermentation equipment body, the stirring shaft is connected with a driving device, and the stirring shaft is provided with a plurality of stirrers; the fermentation equipment body includes a plurality of detachably connected fermentation equipment modules, and the plurality of fermentation equipment modules communicate in sequence; and the tops of the fermentation equipment modules are connected with a biogas tube. According to the equipment, materials can be uniformly mixed, mass and heat transfer in the fermentation equipment can be reinforced, the stability and efficiency of an anaerobic digestion system can be improved, and the equipment adopts the modular splicing structure, thereby being convenient for assembly, replacement, manufacturing, maintenance and repair.
Owner:ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI

Spotted silver carp, white silver carp and shrimp intercropping method

InactiveCN104521837AImprove qualityScientific and reasonable breeding densityClimate change adaptationPisciculture and aquariaShrimpResource utilization
The invention discloses a spotted silver carp, white silver carp and shrimp intercropping method. The method comprises the steps that spotted silver carps, white silver carps and shrimps are cultured in water in a mixed mode, a large number of plankters are cultured by a water nutrient in the earlier cultivation stage to be used as bait, and the water nutrient is put into the water regularly or irregularly in the cultivation process. According to the spotted silver carp, white silver carp and shrimp intercropping method, due to comprehensive resource utilization, scientific and reasonable allocation and reasonable cultivation density, the cultivation cost is greatly reduced, economic benefits are improved, the an-risk capacity is strong, and sustainable development is achieved; large-scale standardized development is facilitated, and the brand industry with influences is built.
Owner:杨彪

Constructional method of ecological tea garden

The invention relates to a constructional method of an ecological tea garden. The method comprises the steps of selecting a shrubland or wasteland with basis conditions, such as transportation, energy, domestic water, production water supply and the like, to reclaim a tea garden; according to the natural condition demands of tea trees and whole composition demands of agricultural production, conducting a total planning of the garden after land selection; building an impounding reservoir on a concave ground in a pretty high altitude for use of production in dry seasons; during the planning of the tea garden, paying attention to protection of the ecological environment of the tea garden, making projects for a waterhead forest, a forest with stable amount of water and soil on peaks, and a scenic beauty forest, and making a mark to facilitate preservation; cleaning the garden and making sure that all trees and weeds on the ground are cleaned out and big stones are distributed appropriately, digging out stumps and flattening soil steps and soil pits. The constructional method has the advantages of being simple in approaches and low in costs, and the ecological tea gardens constructed according to the method have the advantages of being easy in management, high in an anti-risk capability and in favor of ecological development of tea planting.
Owner:CHONGQING CHENYANG AGRI TECH CO LTD

Temperature-adjustable biological enzymolysis reactor

The invention provides a temperature-adjustable biological enzymolysis reactor, and relates to the technical field of biological enzymolysis. The temperature-adjustable biological enzymolysis reactor comprises a heating tank, wherein a baffle is fixedly connected to the inner side of the lower portion of the heating tank, a first motor is fixedly connected to the bottom end of the heating tank, an expansion element is fixedly connected to the top end of a bolt, a sealing groove is fixedly connected to the inner side of the top end of the heating tank, a top cover is fixedly connected to the top end of an electric telescopic rod, a sealing ring is fixedly connected to the bottom end of the top cover, a reaction tank is slidably connected to the inner side of the shell, a gear is fixedly connected to the bottom end of a second rotating shaft and is in meshed connection with a gear ring, a cam is fixedly connected to the front end of a second motor and is attached to the reaction tank, and a first flow guide pipe is fixedly connected to the left end of a three-way valve. According to the biological enzymolysis reactor, the biological enzyme can be in full contact with reactants, so that the reaction rate is increased, and the reactor is relatively high in reliability and has anti-risk capability.
Owner:YANCHENG DAMING CHEM MACHINERY

Tubular tower for wind power generation

The invention discloses a tubular tower for wind power generation. The tubular tower comprises a tower cylinder shell in a tubular structure, the tower cylinder shell comprises an inner cylinder bodyand an outer cylinder body sleeving the outer circumference of the inner cylinder body, the inner cylinder body is connected with the outer cylinder body through a plurality of annular connecting blocks arranged at intervals, and the tower cylinder shell is internally further provided with a plurality of supporting parts, wherein the multiple supporting parts are distributed in the axial directionof the tower cylinder shell, and connected with the inner side wall of the tower cylinder shell. Therefore, according to the tubular tower for wind power generation, the cost is low, the structural strength is high, and the risk resistance capacity is high.
Owner:安徽鼎博新能源科技发展有限公司

Dynamic multi-objective software project scheduling method based on Q learning memetic algorithm

The dynamic multi-objective software project scheduling method based on the Q-learning memetic algorithm provided by the present invention comprises the following steps: (1) reading input information; defining optimization objectives and setting constraints; (2) initializing the parameters of the algorithm; The agent perceives the initial state in the project environment; determines the global and local search strategies in the static multi-objective memetic algorithm; (3) at the beginning of the project, generates an initial scheduling plan and generates a return value; (4) in the project implementation In the process, the rescheduling method is adopted; the agent perceives the current state of the project environment, updates the Q value in the state-action pair table according to the reward value, and determines the global and local search strategies in the dynamic memetic algorithm based on the selection mechanism; based on the dynamic memetic algorithm A new scheduling scheme is generated in the new environment, and a return value is generated. The invention can learn the characteristics of the project environment, and quickly and efficiently realize the dynamic scheduling task in the software project.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Organic fertilizer capable of slowly releasing medium trace elements and compound microorganisms and preparation method thereof

The invention belongs to the technical field of organic fertilizer preparation, and discloses organic fertilizer capable of slowly releasing medium trace elements and compound microorganisms and a preparation method thereof. The organic fertilizer is prepared from, by mass, 10-15 parts of sodium alginate coating materials, 8-15 parts of solid carrier mixture and 35-50 parts of medium trace elementand compound microorganism organic fertilizer mixtures; the sodium alginate coating materials are sodium alginate-zeolite coating materials. The organic fertilizer can specifically provide medium trace elements needed by growth in the plant growth period, secondary metabolites released in the growth process of compound microorganisms can also be obtained, meanwhile, the slow release effect can beachieved, the fertilizer consumption is lowered, and the disease resistance and cold resistance of plants are improved; the organic fertilizer has the advantages that the plant yield can be obviouslyincreased, the quality can be improved, and the resistance can be improved; the organic fertilizer can be used for one or more types of plants, and particularly used for greenhouse vegetables.
Owner:QILU UNIV OF TECH

Ecological cycle pig breeding method

Provided is an ecological cycle pig breeding method. The ecological cycle pig breeding method comprises the step of making wine and vinasse, the step of making vinasse feed, the step of breeding maggots through excrement, the step of carrying out ecological organic breeding, the step of using excrement to generate biogas, the step of utilizing excrement maggot breeding by-products, the step of producing organic feed and the like. According to the ecological cycle pig breeding method, the cost is reduced by 15% due to the vinasse feed, the cost is reduced by 15% due to feed with adult maggots, and the breeding cost is comprehensively reduced by more than 30%; protein feed is added; pig breeding cycle is short, and the slaughtering rate is high; health of live pigs is improved, and immunity is improved; the purposes of cycle breeding, cleaning production and zero emission are achieved, and environmental friendliness is achieved; products are various, original-ecology products such as the wine, the vinasse, organic live pigs, organic fly maggots, biogas and biogas slurry are obtained, the risk resistance capacity is high, and the ecological cycle pig breeding method is particularly applicable to ecological or organic live pig breeding of a single household, or large-scale and industrial live pig breeding. The ecological cycle pig breeding method is also applicable to ecological breeding of livestock and poultry such as cattle, horses, donkeys, deer, chickens, ducks and gooses. The ecological cycle pig breeding method is particularly applicable to ecological or organic live pig breeding of a single household or large-scale and industrial live pig breeding, and is convenient to demonstrate and popularize.
Owner:丁志强 +4

Hybrid microgrid system and control method thereof

The embodiment of the invention discloses a hybrid microgrid system and a control method thereof. The hybrid microgrid system comprises: a central control unit, a bidirectional DC / AC converter, a bidirectional DC / DC converter, a battery, a DC sub-network and an AC sub-network; the central control unit is in communication connection with the bidirectional DC / AC converter and the bidirectional DC / DCconverter, the DC side of the bidirectional DC / AC converter is connected with the first DC bus, and the battery is connected with the first DC bus through the bidirectional DC / DC converter; the DC sub-network is connected with a second DC bus, the second DC bus is connected with the first DC bus, and the DC sub-network at least comprises a DC power generation device and a DC controllable load; the alternating current side of the bidirectional DC / AC converter is connected with an external network and an alternating current bus, and the alternating current sub-network is connected with the alternating current bus; the AC sub-network at least comprises an AC power generation device and an AC controllable load. The hybrid microgrid system has the advantages of high efficiency, flexible control and strong anti-risk capability.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Automatic equipment for ocean bait microalgae preservation

The invention discloses automatic equipment for ocean bait microalgae preservation. The automatic equipment comprises a high-pressure air bottle, seawater treatment equipment, a microalgae incubator, a lamp tube, flocculant automatic feeding equipment, a preservation barrel, a preservation agent storage barrel and a controller box, the seawater treatment equipment is connected with a water inlet of the microalgae incubator, a discharging port of the microalgae incubator is connected with a first feeding port of the preservation barrel, a discharging port of the flocculant automatic feeding equipment is connected with a second feeding port of the preservation barrel, a discharging port of the preservation agent storage barrel is connected with a third feeding port of the preservation barrel, a main delivery pipeline of the high-pressure air bottle is divided into three branches, the first branch extends into the microalgae incubator from a lower-portion air inlet, and the second branch extends into the microalgae incubator from an upper-portion air inlet. The automatic equipment can automatically complete steps of culture, condensation, collection and preservation of ocean bait microalgae and is reasonable in structure, high in automation level, simple to control, short in microalgae culture period, high in yield, high in risk resistance and low in cost.
Owner:ZHEJIANG MARICULTURE RES INST

Biomass and domestic waste incineration power generation integrated plant layout structure

The invention discloses a biomass and household waste incineration and power-generation integrated plant arrangement structure. The structure comprises a front area of a plant, a circulating water facility area, a main workshop area and a fuel facility area, wherein the front area of the plant is used for living and office work, the circulating water facility area and the main workshop area are next to the front area of the plant, and the fuel facility area is next to the circulating water facility area and the main workshop area. The circulating water facility area comprises a comprehensive water pump house and a natural ventilation cooling tower. The main workshop area comprises an air compressor house, a warehouse, a biomass power plant region and a waste incineration and power-generation plant region. A hall, a control room, a steam engine room and a chimney are shared by the biomass power plant region and the waste incineration and power-generation plant region. An open stock ground, a dry material shed, a dialysate processing region, a fuel oil pump house, a truck scale and a control room are arranged in the fuel facility area. The biomass and household waste incineration andpower-generation integrated plant arrangement structure can solve the regional waste problem and reasonably utilize biomass energy, and has the advantages of energy saving, environment protection, low building and operating cost and the like.
Owner:中国光大绿色环保有限公司 +1

Microwave comprehensive treatment system and method for manure wastewater in pig farm

The invention discloses a microwave comprehensive treatment system and method for manure wastewater in a pig farm. The microwave comprehensive treatment system comprises a cloth bag type plate-and-frame filter press, a first pipeline, a buffer tank, a second pipeline, an array type microwave filtering device, a third pipeline, a microwave waste gas high-temperature pyrolysis device, a fourth pipeline and a purified water storage tank, wherein the cloth bag type plate-and-frame filter press, the first pipeline, the buffer tank, the second pipeline, the array type microwave filtering device, the fourth pipeline and the purified water storage tank sequentially communicate with each other; and the array type microwave filtering device, the third pipeline and the microwave waste gas high-temperature pyrolysis device sequentially communicate with each other. The microwave comprehensive treatment system for the manure wastewater in the pig farm is large in water treatment capacity, high in efficiency, good in effect, free of harmful gas emission and small in occupied area; and the treatment of the whole system can be completed in a factory building and is not influenced by weather and climate changes, a huge aeration tank does not need to be excavated outdoors, and the system is low in cost, stable in system operation and high in risk resistance, and is suitable for treating manure wastewater of pig farms and the like.
Owner:南京丰禾新材料科技有限公司

A temperature-adjustable biological enzymolysis reactor

The invention provides a temperature-adjustable biological enzymolysis reactor, which relates to the technical field of biological enzymolysis. The temperature-adjustable biological enzymolysis reactor includes a heating tank, a baffle plate is fixedly connected to the inner side of the lower part of the heating tank, a first motor is fixedly connected to the bottom end of the heating tank, and an expansion element is fixedly connected to the top end of the bolt. The inside of the top of the heating tank is fixedly connected with a sealing groove, the top of the electric telescopic rod is fixedly connected with a top cover, the bottom of the top cover is fixedly connected with a sealing ring, and the inside of the housing is slidably connected with a reaction tank. The bottom ends of the two rotating shafts are fixedly connected with gears, and the gears are engaged with the ring gear. The front end of the second motor is fixedly connected with a cam and the cam and the reaction tank are attached to each other. The left end of the three-way valve is fixedly connected with the first guide tube. The bio-enzyme hydrolysis reactor can fully contact the biological enzyme with the reactant, thereby increasing the reaction rate, and the reactor has high reliability and anti-risk ability.
Owner:YANCHENG DAMING CHEM MACHINERY

Overwintering and oversummering one-reap pepper cultivation method

The invention discloses an overwintering and oversummering one-reap pepper cultivation method. A variety which is healthy and strong in plant and good in commodity is selected, overwintering crops aretransplanted in August, and oversummering crops are transplanted in April; before plating, a greenhouse is subjected to high-temperature sealing, and base fertilizer application, deep trench opening,seedling planting and mulching film covering cultivation are carried out; then, fertilizer and water management, branch pruning and disease and pest control are carried out; overwintering one-reap fruits start to be ripe in October, and the fruits are harvested all the time till June in the next year; oversunnering one-reap fruits start to be ripe in June, and the harvesting period ends in November. The overwintering and oversummering one-reap pepper cultivation method is reasonable in design, saves time and labor and can obviously improve the yield and quality of products; the yield is muchhigher than that of common cultivation methods; the harvesting period of the products is long, the products can be sold in the market when the price is high, the products has the quantity advantage when the price is low, the anti-risk capability for resisting market price fluctuation is high, and the economic benefit is remarkable.
Owner:凉山州经济作物站

Network risk perception method and system for power monitoring system

The invention discloses a network risk perception method and system for a power monitoring system, and relates to the technical field of network security. The method comprises the steps: collecting network threat information perceived by network security equipment of multiple types or multiple manufacturers at a network boundary of the power monitoring system, analyzing the network threat information, calculating the network threat recognition accuracy, and displaying the network threat information to the user when the network threat identification accuracy exceeds the threshold value. The network risk perception capability does not depend on a single device or manufacturer but depends on a system composed of multiple devices, the overall stability is higher, the anti-risk capability is higher, and the technical problem that the network risk identification capability of the power monitoring system is not high due to the fact that the network threats are easily missed or misjudged because the network threats are independently perceived by network security protection equipment at the network boundary when the power monitoring system identifies the network threats at present is solved.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID

Network broadcasting system and network broadcasting system working mode switching method

The invention provides a network broadcasting system and a network broadcasting system working mode switching method, and the method comprises the following steps: obtaining a list file containing an audio file according to a synchronization request of the audio file of a network broadcasting server, and synchronizing the list file to a terminal; in a first preset period, determining that the terminal does not receive a first search instruction of the network broadcast server, and switching the terminal to a distribution mode; obtaining a first audio playing request of a paging device; calling the target audio file from the list file in the terminal in the distribution mode for broadcasting according to a target audio file in the first audio playing request; compared with the existing network broadcasting system, the application scene of the system is richer and more flexible through the switching of the two operation modes of the centralized mode and the distributed mode, the anti-risk capability is stronger, the linkage among the terminal equipment in the system is stronger, and the system can be widely applied to the technical field of network broadcasting systems.
Owner:广州市迪士普音响科技有限公司

Air purifier convenient to use in dining process

An air purifier convenient to use in the dining process is characterized in that an air cavity is formed in the top of a hard shell cap, an air inlet hole and an air outlet hole are formed in the air cavity, a turbofan is bonded to the air outlet hole, an outlet of the turbofan is connected with a T-shaped hose and connected with a bearded air conveying pipe through an air outlet hole connector, and air is supplied to a nostril area through an air outlet of the air conveying pipe; the hard-shell cap is sleeved with the cap-shaped cover, the brim of the cap-shaped cover is tightly pressed on the brim of the hard-shell cap through the elastic annular belt, a closed space is formed between the cap-shaped cover and a shell of the hard-shell cap, negative pressure is generated in the air cavity when the turbofan works, negative pressure is also generated in the cap-shaped cover, and under the barometric pressure difference, the hard-shell cap is sealed. External air is filtered by the cap-shaped cover, enters the air cavity, enters the turbofan through the air outlet, is connected with the T-shaped hose, the air outlet connector and the barbed air delivery pipe from an outlet of the turbofan, and is supplied to people.
Owner:刘宏斌

A high-efficiency, energy-saving and environmentally friendly carbonization furnace

The invention discloses a high-efficiency energy-saving environment-friendly carbonization furnace which comprises a blanking machine, a bracket, a rotary drum, a rotator and a discharging device, wherein the rotary drum is installed on the bracket in a higher-left lower-right mode; the rotator drives the rotary drum to rotate through a rolling ring; the left end of the rotary drum is provided with the blanking machine, and the right end is provided with the discharging device; the hollow part of the rotary drum is provided with a flue bin; the inner side of the wall of the rotary drum is uniformly provided with a plurality of carbonization bins; the bottom end of the blanking machine is provided with a blanking device; the blanking device is connected with one end of the carbonization bin on the left lower part of the rotary drum, and the other end of the carbonization bin is connected with the discharging device; the flue bin penetrates through the hollow part of the discharging device through a gas inlet pipe and is connected with an air mixer; the flue bin penetrates through the hollow part of the blanking machine through a gas outlet pipe; the upper part of the discharging device is provided with an air induction pipe; and the outer end of the air induction pipe is connected with a first induced fan.
Owner:山西华青环保股份有限公司
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