244results about How to "Easy to operate and maintain" patented technology

A counter top reverse osmosis water purification system, suitable for home use, is connected to a water supply and contains a closed fluid treatment circuit extending to a water outlet. The closed fluid circuit flows through a plurality of replaceable water treatment modules mounted on a flowboard and each having a specific water treatment function, such as the removal of a particular material from the water by the use of reverse osmosis, filtration, carbon adsorption, ion exchange or the addition of a chemical to balance the desired water conditions. Preferably the circuit also includes traversing a radiation device, for example an ultraviolet light, for the purpose of sanitizing the water.

The invention discloses a virtual desktop realizing system and a using method thereof. The virtual desktop realizing system comprises a plurality of virtual desktop servers, a virtual desktop gateway and a virtual desktop client-side equipment, wherein the virtual desktop servers are used for running virtual machine management programs, running virtual machine programs according to the virtual machine management programs and providing virtual desktop services via the virtual machine programs; the virtual desktop gateway is used for integrating virtual desktops of the virtual desktop servers and providing the integrated virtual desktops to corresponding virtual desktop client sides; and the virtual desktop client-side equipment is used for receiving and displaying a plurality of virtual desktops and feeding input information of external equipment to the virtual desktop servers. By the virtual desktop realizing system, complicated operation during use of the multiple virtual desktops is avoided and system performance is improved.

The invention relates to a multi-sub microgrid-contained mixed microgrid system and a control method thereof. The mixed microgrid system comprises a photovoltaic subsystem, an energy storage subsystem, a direct-current bus, a DC/AC converter and an alternating-current subsystem. The control method comprises the following steps: controlling running modes of the photovoltaic subsystem and the energy storage subsystem according a power grid instruction; controlling the running mode of the photovoltaic subsystem by using a perturbation observation method-based photovoltaic generation maximum power tracking method; and controlling the running mode of the energy storage subsystem by using a method of combination of dual-closed loop control and phase-shift control. Compared with the prior art, the provided system and the method have the advantages of electrical isolation realization, high security, and stable bus voltage and the like.

The invention relates to the field of manufacturing of lithium ion power batteries, in particular to a tab cutting device of a lithium battery core and tab cutting equipment using the tab cutting device. The tab cutting device of the lithium battery core comprises a driving mechanism and a tab compressing component, wherein the driving mechanism is used for driving an upper cutter to move up and down; the tab compressing component compressing component comprises a lower cushion block and an upper compressing block; the upper compressing block vertically corresponding to the lower cushion block is arranged on the driving mechanism; the upper compressing block and the upper cutter can move together up and down; a compressible elastic supporting device is arranged between the upper compressing block and the driving mechanism; or the tab cutting device of the lithium battery core is provided with a guide device, an elastic reset device, a jacking mechanism and an elastic supporting device; the guide device is used for guiding the upper compressing block to move up and down; the elastic reset device is used for providing upward elastic support for the upper compressing block; the jacking mechanism is arranged on the driving mechanism in a guide motion manner and can downwards jack the upper compressing block; and the elastic supporting device is arranged between the jacking mechanism and the driving mechanism. By adoption of the scheme, a tab can be automatically compressed in the downcutting process of the cutter.

The invention discloses an all-weather solar photovoltaic cell panel tracking and angle adjustment device comprises a fixed base, a horizontal adjusting device, a verticality adjusting device, a solar photovoltaic cell assembly and a controller. The horizontal adjusting device comprises a motor, a worm and gear reducer, a driving gear and a driven gear; the verticality adjusting device comprises a bottom supporting seat, a triangular dip angle adjusting mechanism, an electromagnetic locking switch and a slide drive mechanism; the solar photovoltaic cell assembly is provided with a photoelectric sensor. By adopting the all-weather solar photovoltaic cell panel tracking and angle adjustment device, the program control of the rotation and angle adjustment of the solar cell panel in the horizontal direction and the vertical direction can be realized; moreover, the motion in the horizontal direction and the vertical direction can be self locked, the sun motion can be automatically tracked all weather, the direction and the dip angle of the solar cell panel can be self-adaptively adjusted, and the utilization rate of the solar energy can be increased. The all-weather photovoltaic cell panel tracking and angle adjustment device can be applied to a fixed place or a movable device and has advantages of simplicity and compactness in structure, stability and reliability in work, convenience in operation and maintenance, high safety and the like.

The invention relates to a double-level dynamic film filtering method used for recycling waste water generated by printing and dyeing process. The method includes the following steps: (1) the waste water is filled into an aeration biology filtering pool for biodegradation; (2) a first level filtering is carried out in a draining groove of the aeration biology filtering pool; (3) the water drained from the aeration biology filtering pool is filled into an intermediate pool containing dynamic film suspended granules; (4) the granules are settled onto the inner wall of a ceramic film tube through a interlacing filter method to form a second level dynamic film filtering; (5) when the dynamic film thickens and the jam to film holes becomes serious and a flux reduces greatly, a backwashing is carried out for the film tube. The invention has convenient operation and maintenance. When the pollution to the film of the dynamic film filtering reaches a certain degree, the flux of the film can be restored through hydraulic backwashing, with no need of replacing base material of films.

The invention relates to a system and a method for supervising a gas engineering project, which is used for project quality safety of gas engineering, personnel management and exact positioning of a pipeline and mainly comprises a server of a control center, a hardware fire wall, a PDA, and a GPS locator, wherein, the server consists of a web server, a database server, a file server and a backup server; the server is connected with the hardware fire wall by a net wire or a modem; after the PDA collects field engineering data and personnel positions information and transmits the data to the server by a GPRS; the GPS locator collects the three-dimensional coordinate information of all crates, equipment and turning points of a pipe network; by adopting the invention, the field operation situations can be remotely monitored at any time and the invention has the advantages of displaying the conditions of all engineering constructions comprehensively and accurately in real time and solving the problems in time, thereby ensuring the engineering construction to be completed with good quality on schedule.

The invention relates to a subsynchronous source-network combination damping inhibition method for an offshore wind plant, and the method comprises the steps: S1, building a linearized state space model of an offshore wind plant based on a double-feed wind turbine generator through a VSC-HVDC grid-connected system; S2, recognizing the subsynchronous oscillation modal of a system; S3, calculating aparticipation factor through modal analysis, and screening a state variable which is strongly correlated with the subsynchronous oscillation modal at each order; S4, analyzing the impact on the subsynchronous oscillation modal damping from the strongly correlated state variable through a root-locus method; S5, designing the parameters of DFIG_SEDC and VSC_SSDC according to a locus analysis result, and reducing the mutual impact between the subsynchronous oscillation modals at all orders, and inhibiting the plurality of subsynchronous oscillation modals. Compared with the prior art, the methodsolves a problem of cost in adding a FACTS device, and a designed source-network combination damping controller can inhibit the plurality of subsynchronous oscillation modals, improves the subsynchronous stability of a system, and guarantees the safe and stable operation of the transmission of new energy power.

The invention provides a construction creeping formwork hydraulic synchronous control system of a high-rise structure, comprising an oil tank, an oil pump, a transmission pipeline system, two oil cylinder jacking mechanisms and a synchronous control device. The transmission pipeline system comprises an oil-absorbing branch, an oil-returning branch and an electromagnetic directional valve, and either oil cylinder jacking mechanism comprises jacks, a hydraulic one-way valve and two-position three-way control valves. The construction creeping formwork hydraulic synchronous control system is characterized in that either two-position three-way control valve is provided with an opening connected with the synchronous control device, an opening connected with a corresponding jack and an opening connected with the electromagnetic directional valve; the opening connected with the synchronous control device and the opening connected with the jack are communicated when the power is on; and the opening connected with the synchronous control device and the opening connected with the electromagnetic directional valve are communicated when the power is off. The construction creeping formwork hydraulic synchronous control system can favorably solve the problems of different motion speeds and asynchrony motion in various jacking machine positions, can automatically control the lifting speed and ensures stable and synchronous lifting.

The invention provides a high-adaptability digging and anchoring integrated machine with a dual-mode anchor drilling system, and belongs to the technical field of underground coal mining equipment. The high-adaptability digging and anchoring integrated machine comprises a frame main body, a cutting system, a conveying system, a dust removing system, a multifunctional temporary supporting system, the dry-wet dual-mode anchor drilling system, an automatic lubricating system, a water-cooling spraying system, a hydraulic system and an electric control system, wherein a traveling mechanism adopts awide crawler design, so that the adaptability of the digging and anchoring integrated machine to a muddy bottom plate is improved; and the dry-wet dual-mode anchor drilling system has two functions of dry dust removal and wet dust removal, and real-time switching selection is carried out according to the geological conditions of the roadway bottom plate without replacing a drill box. By means ofthe high-adaptability digging and anchoring integrated machine, the problems of muddy of the bottom plate, poor stability of a top side wall and low tunneling efficiency in the rapid coal roadway tunneling under the complex geological conditions are solved; the integrated parallel operation of tunneling, anchor protection, transportation, dust removal and the like of a roadway tunneling working surface is realized; and the efficiency and safety of coal mining and transportation are improved.

The invention relates to fume purification and provides dry-method fume purification method and device for synchronous desulfurization and denitrification. The purification device is provided with an inlet flue, an absorption tower, a dust collector, a material circulating air chute, an absorbent cabin, a water box, a water pump, an atomization spray gun and an outlet flue. In the invention, an additive water solution is stored in a process water box; a primary fume enters the absorption tower through the inlet flue, mixes with an absorbent added form the absorbent cabin and cycled materials returned from the material circulating air chute, and then performs cooling and moistening reaction with the additive water solution pumped by the high-pressure pump from the water box to the atomization spray gun and sprayed by the atomization spray gun to the absorption tower; the outlet fume of the absorption tower enters the dust collector, incompletely reacted materials in the fume are collected, and the major part of the fume enters a circulating fluidize bed absorption tower with the absorbent added in the absorbent cabin through the material circulating air chute to continue the reaction; circulation continues in the same way; and the fume purification is then achieved when the cleaned fume is exhausted from a chimney from the dust collector through the outlet flue.

The invention which belongs to the field of ship ballast water processing equipment especially relates to a method and an apparatus for processing ship ballast water through filtration, ultraviolet and ultrasound. The apparatus of the invention comprises a water pump, a pressure transducer, a flowmeter, a filter, a comprehensive processing unit of ultraviolet and ultrasound, a control system, an electromagnetic valve and a pipeline. Water enters the filter through the water pump, then enters the comprehensive processing unit of ultraviolet and ultrasound to be subjected to biological inactivation, and is finally discharged. The synergetic disinfection of the ultraviolet-ultrasound unit allows the disinfection effect to be good, ultrasonic waves destroy protective layers of microbes, the ultraviolet radiation destroys DNA and RNA of the microbes, and the ultrasonic waves have certain cleaning effects on ultraviolet lamps. The apparatus of the invention, which can effectively kill the microbes in the ship ballast water, has the advantages of low energy consumption, high reliability, simple operation and maintenance, realization of one-key operation through an automatic control unit, and flexible selection of an installation platform according to practical cases.

The invention relates to a power supply device for a transformer substation, which comprises two transformers (1,2) and two ATS switches (3,4), wherein ATS switches are connected with sections of alternating current buses (5,6) respectively; each section of the alternating current bus is connected with an alternating current feeder module, a charging module, an intelligent lighting feeder module and the like; and each charging module is connected with the same alternating current bus (7), and the alternating current buses are connected with two sets of the direct current feeder modules, two sets of inversion power modules, two sets of DC-DC modules and one set of accumulators (8) respectively. The power supply device has the advantages that: all the switches are intelligently modularized and integrated in a chassis; a switch programming control hardware platform is established and modules are integrated into the network through network communication technology, so the power switch for the transformer substation has the functions of activating preset programs and completing programmed operation besides the conventional manual control, remote control and protective control according to related information triggering conditions.

The invention relates to a method for performing emulsion breaking on an oil-water emulsion by an ultrasonic wave. In the method, one or more ultrasonic generators are arranged in a raw material storage tank or a settlement tank in the gravity settling direction, only one ultrasonic generator acts in the direction of the same vertical line. An emulsion breaking device for implementing the method comprises the raw material storage tank or the settlement tank, and one or more ultrasonic generators are arranged at the bottom or/and top of the raw material storage tank or the settlement tank. The ultrasonic generators are distributed reasonably according to structural size and ultrasonic radiation areas, so that the ultrasonic generators cover comprehensively, and are prevented from being overlapped. The ultrasonic generators are connected with ultrasonic distributors, and one ultrasonic generator is arranged in one ultrasonic distributor. The action direction of the ultrasonic wave is the vertical direction and is consistent with the gravity settling direction, so the driving force is added in the oil-water settling direction, and the oil-water settling speed is accelerated. The device is uniform in ultrasonic wave energy distribution, excellent in emulsion breaking effect, simple in operation, convenient to run and maintain and low in running cost.

The invention relates to the technical field of float glass and glass deep-processing, and provides an all functional glass sheet stacking and dismantling machine and a glass sheet stacking and dismantling method. The all functional glass sheet stacking and dismantling machine comprises a suction main engine and a piling bed. The suction main engine comprises a base, a pendulous device, a sucker device, and a rotating device. The pendulous device comprises a swing frame and a first rotating shaft used to drive the swing frame to swing between a glass production line and the piling bed. The rotating device comprises a second rotating shaft used to drive the sucker device to rotate. Compared with the prior art, using the global function glass sheet up-down machine, stacked glass is easy to operate and maintain. The glass sheet stacking and dismantling method comprises: according to purposes of glass, selecting a suction surface and stacking and dismantling the glass sheets, after the suction main engine is used for putting or taking down one glass sheet, a glass frame with the glass sheets moving a trip, after the glass frame is full or empty, automatically switching a vacant glass frame. Thus, efficiency of sheet up-down is greatly improved.

The invention provides a floating type ecological water purification plant comprising a double-layer buoyancy framework, a surface layer purification zone and a bottom layer purification zone, wherein the double-layer buoyancy framework comprises an upper layer framework and a lower layer framework which is fixedly connected with the upper layer framework by virtue of a connecting part; the surface layer purification zone is formed by filling the whole or partial area of the upper layer framework with a water purification packing; the bottom layer purification zone is formed by filling the whole or partial area of the lower layer framework with a water purification packing. In a working state, the upper layer framework floats above the water surface, and an emergent aquatic plant is planted on the water purification packing of the surface layer purification zone; and the lower layer framework is positioned below the water surface, and a submerged plant is planted on the water purification packing of the bottom layer purification zone. The floating type ecological water purification plant provided by the invention is additionally provided with the lower layer framework and the submerged plant, so that the floating type ecological water purification plant has a great function on elimination of endogenous pollution caused by substrate sludge, prevention and control of algae blooms, improvement of water quality and promotion of water ecological restoration.

The invention discloses a domestic sewage bioreaction treatment and recycling system which belongs to the technical field of sewage disposal. The system is composed of a collecting pipe network, an inlet well, a sedimentation tank, a regulating tank, an anaerobe filter tank, an aerobe discharge tank, a clear water tank, a drain tank, an equipment room, lifting pumps, a blower, a biological chemical feeder and pipelines, wherein the collecting pipe network is connected to the inlet well; the inlet well is provided with a water inlet; the water inlet is connected with the sedimentation tank through the pipeline; after sedimentating in the sedimentation tank, sewage enters the regulation tank through the pipelines; the two lifting pumps are arranged in the regulation tank and connected with the anaerobe filter tank through the pipelines; the sewage enters the aerobe discharge tank through the pipeline to be processed in a biological treatment way, and enters the clear water tank; water in the clean water tank, which is processed in a biochemical treatment mode, enters the ambient river course via the drain tank; the outlet of the blower is connected with the aerobe discharge tank; the blower is arranged in the equipment room; and the biological chemical feeder and a control cabinet are arranged in the equipment room. The invention has the advantages of simple treatment process, stable operation, simple management, low energy consumption, convenient maintenance and low cost.

The invention relates to an airflow generating system and a method thereof. The system comprises an air source, a passage, at least an unpowered air draft device and at least a turbine generator set, wherein, the passage comprises an airflow inlet and an airflow outlet which are communicated with the air source; the unpowered air draft device is installed at the airflow outlet and is positioned in a natural wind field; the turbine generator set at least comprises rotating blades positioned in the passage; and driven by the airflow of the air source and/or the external wind power, the unpowered air draft device forms the negative pressure in the passage, and constantly sucks in air from the air source to form the airflow in the passage, and the airflow pushes the rotating blades to rotate so as to drive the turbine generator set to generate electricity. The system of the invention can constantly run, stably generate electivity, lower the dependence on weather and overcome the unicity and the limitation of clean energy of single type.

The invention relates to an OPPC on-line monitoring system for monitoring the operating condition of a power transmission line. The OPPC on-line monitoring system comprises the power transmission line formed by a novel OPPC, a field monitoring device and a remote monitoring device, wherein tight tube optical fibers are arranged in a first optical unit of the novel OPPC, and loose tube optical fibers are arranged in a second optical unit of the novel OPPC; the field monitoring device comprises a monitoring module and a safety isolation module; one end of the line is connected to an optical fiber distribution frame through a splice closure and a guiding optical cable, and then is connected to the field monitoring device, and the other end of the line is connected to the optical fiber distribution frame through the splice closure and the guiding optical cable, and conducts fiber jumping loopback on the optical fiber distribution frame; the remote monitoring device comprises a monitoring management module, a data center module and a data analysis module. The OPPC on-line monitoring system for monitoring the operating condition of the power transmission line achieves real-time continuous monitoring of the temperature, the current-carrying capacity and the stress of the OPPC line in the whole process, provides powerful technical support for operation and overhauling of the line, and guarantees safe operation of a power grid.

The invention discloses a system for monitoring reactor core parameters of a nuclear power plant. The system comprises measurement assemblies and a signal processing unit, wherein the measurement assemblies comprise multiple first measurement assemblies and multiple second measurement assemblies, each of the first measurement assemblies and the second measurement assemblies comprises multiple self-powered neutron detectors for collecting reactor core neutron-flux density in real time, and the multiple self-powered neutron detectors are distributed in the axial direction and/or radial direction along the periphery of the reactor core of the nuclear power plant; the signal processing unit comprises a reactor core neutron-flux density signal processing cabinet, and is used for receiving reactor core neutron-flux density signals collected by each self-powered neutron detector, processing the reactor core neutron-flux density signals and sending the reactor core neutron-flux density signals to a reactor core online monitoring system, so that the reactor core condition is monitored in real time. According to the system, the integrated measurement assemblies are adopted, so that the space occupied by equipment is reduced, and later maintenance and replacement are facilitated; real-time continuous monitoring for in-reactor neutron flux can be realized, measurement information is more reliable, and the accuracy rate is high.

The invention discloses a yellow haulm feeding system of a biomass energy power plant and a coordinating and controlling method thereof. A sub-packaging platform is connected with an inlet of a haulm crusher by a chain scraper conveyor at one side of the sub-packaging platform and a chain scraper conveyor at one side of the haulm crusher; an outlet of the haulm crusher is connected with a stokehole storage bin distributor by a belt conveyor with a large inclination-angle and wavy retaining sides; a boiler feeding screw conveyor communicated with a boiler cavity is connected with the stokehole storage bin distributor, wherein, the sub-packaging platform, the chain scraper conveyor at one side of the sub-packaging platform, the chain scraper conveyor at one side of the haulm crusher, the haulm crusher, the stokehole storage bin distributor and the boiler feeding screw conveyor are all of two sets and all connected with the belt conveyor with the large inclination-angle and wavy retaining sides after each set is coordinately connected together. The invention is provided with two sets of mutually auxiliary systems, coordinates and controls the starting and stopping in sequence, automatic regulating, and linking and protecting functions of the feeding system and can ensure that the boilers of the biomass energy power plant run stably and meets the needs of electrical load change.

The invention relates to a weather manual simulation room. The weather manual simulation room comprises a refrigeration device for cooling air in a weather room, a low-speed wind tunnel arranged in the weather room, an ice coating water and steam generation device and an atomization spraying device connected with the ice coating water and steam generation device and located in the weather room; a testing region is connected with a wind outlet of the low-speed wind tunnel and an air returning opening is formed in the testing region on the opposite side of the wind outlet; an inner wall of the weather room is used as a wind returning region of the low-speed wind tunnel; 0-10m/s uniform wind is formed in the testing region; and the ice coating water and steam generation device comprises an ice coating water generation device and an ice coating steam generation device, which are used for introducing water and steam with certain pressure into the atomization spraying device respectively to be mixed, so that water mist drops with certain quantity and grain diameters are sprayed out in the testing region. The weather manual simulation room lays foundation for research of the influences of wind on equipment icing; and meanwhile, by using the weather manual simulation room, a plurality of types of icing types including glaze, rime, mixed rime, wet snow and the like can be formed on the surface of a test sample.

The invention discloses a tin-silver-copper ternary alloy electroplating solution, belonging to the field of chemical industry and relating to a tin-silver-copper electroplating solution and electroplating method. The invention aims to provide a tin-silver-copper ternary alloy electroplating solution which does not contain harmful substance phosphorous compounds and is used for electroplating tin-silver-copper ternary alloy, and provide an electroplating method. The electroplating solution provided by the invention is prepared from tin methyl sulfonate, silver methyl sulfonate, copper methyl sulfonate, complexing agents, auxiliary complexing agents and additives. The electroplating solution provided by the invention has a simple formula and is easy to operate and maintain, and chemicals harmful to the environment are not used. A single organic complexing agent system is adopted, thus the electroplating solution has a simple formula and is easy to operate and maintain; phosphorous complexing agents are not used, thus being favorable for environment protection; and in addition, the additive alkyl glycoside used in the invention belongs to environment-friendly non-ionic surfactants, thus the biological degradation is rapid and thorough.

The invention provides a water level flow sensor, a water level flow monitoring system and a water level flow monitoring method. The water level flow sensor comprises a water level measuring rod with multiple contacts, a multipath voltage comparison circuit connected with the contacts, a multipath selection circuit correspondingly connected with the multipath voltage comparison circuit, a master control circuit for receiving signals output by the multipath selection circuit, and a data transmitting and output circuit connected with the master control circuit. The water level flow monitoring system comprises an upper computer and the water level flow sensor which are correspondingly connected through an RS-232/RS-485 converter. The water level flow sensor and the water level flow monitoring system have the advantages that water level flow in channels can be measured in water continuously, accurately and quickly, results can be displayed in a digital tube and the upper computer, the water level flow sensor and the water level flow monitoring system are corrosion resistant, long in service life and stable in operation, and the like.

The invention discloses a cryogenic refrigeration method for oil gas recovery, comprising at least two stages of refrigeration system, which is characterized in that every stage of refrigeration system comprises a compressor, a condenser, an expansion valve and an evaporator, a refrigerant exchanges heat with the oil gas in the evaporator to condense and recovery the oil gas, the refrigerant of the first stage of refrigeration system passes the condenser of the next stage of refrigeration system and exchanges heat with the refrigerant of the next stage of refrigeration system after throttling. The cryogenic refrigeration method has the advantages that the condensation of the first stage of refrigeration system is heat exchange between the refrigerant and air, and the condensations of other stages are the heat exchange between refrigerants, so the heat exchange efficiency is greatly improved, compared to the air condensation, the temperature of the refrigerant in the condenser is greatly reduced, the temperature of the refrigerant can become more lower after throttling, thus recovering the oil gas with a more lower condensation temperature, the system needed in the cryogenic refrigeration method has simple structure, high operation efficiency, convenient operation and maintenance, high reliability, less initial investment and low running cost.

The invention discloses a state information monitoring method of an LED lamp. The state information monitoring method comprises the steps of acquiring product parameter information of the LED lamp andfailure decision information of each hierarchical part of the LED lamp, and monitoring the obtained target information of each hierarchical part; building a failure physical model of each hierarchical part of the LED lamp according to the product parameter information; acquiring fault state information of the LED lamp according to the failure decision information, the target information and eachfailure physical model; and monitoring remaining life state information of the LED lamp according to the target information and each failure physical model. The invention discloses a state informationmonitoring device and system of the LED lamp. The target information of different hierarchical parts of the LED lamp is acquired in real time, the failure physical model is employed, the fault stateinformation and the remaining lifetime state information of the LED lamp are acquired according to the failure decision information and the target information of each hierarchical part, thus, the monitoring of a fault state and a remaining lifetime state can be more accurately achieved, and running and maintenance of the LED lamp are facilitated.

The invention relates to a multi-section plate membrane sludge concentration process method. A plurality of reactors are arranged according to a liquid level difference flow propelling operation way, large-particle-size sludge flocs are retained in the reactors by means of ultrafiltration (microfiltration) membranes, and clean water are pumped out of the reactors, so that sludge is separated fromwater. By means of the multiple reactors, plate membranes are in different operation fluxes under different sludge concentrations to protect the membranes from being polluted too fast. Further, an aerating device is used for flushing surfaces of the plate membranes, membrane pollution can be controlled, dissolved oxygen is provided for the reactors, nitrification in the reactors is promoted, anaerobic phosphorus release of the sludge can be prevented, and better membrane discharged water can be provided. Compared with a single-section plate membrane sludge synchronous concentration and nitrification process, the multi-section plate membrane sludge concentration process method has the advantages that the membrane utilization rate is higher, membrane pollution and energy consumption are lower, water outlet quality is better, and high economic and social benefits can be obtained.

The invention discloses a cooling and heating energy station and a method. The cooling and heating energy station is formed by assembling prefabricated modules and comprises a cold and heat source module, the cold and heat source module provides cold water or hot water to a water distributor, the output end of the water distributor provides the cold or hot water to the exterior and is connected to a water collector simultaneously, the water collector is connected to the cold and heat source module after being connected to a circulating power module, and the output end of the water collector is further connected to a water-supplementing, pressure-fixing and water-treating module; a power distribution and control module is connected to the cold and heat source module, the circulating power module and the water-supplementing, pressure-fixing and water-treating module. According to the cooling and heating energy station and the method, the requirements of heating in winter and cooling in summer can be met, the cooling capacity and heating capacity supply is reasonably distributed according to the actual cooling and heating requirements, and energy waste caused by excessive heating source and cooling source supply can be avoided; all parts of the novel cooling and heating energy station are the prefabricated modules, and therefore the module quality is guaranteed, operating maintenance of the energy station is easy, and the maintenance cost of equipment is reduced at the later stage.

The invention relates to a software testing and evaluation method based on a cloud computation technology. The method comprises the steps that a testing cloud platform and an evaluation cloud platformare established; a lightweight cloud probe is deployed on the testing cloud platform; state data is collected by using the cloud probe and transmitted to the evaluation cloud platform through a network; analysis is conducted in the evaluation cloud platform, tested software is comprehensively established according to testing and evaluation standards, and a testing and evaluation report is generated. The software testing and evaluation method has the advantages that through the cloud computation technology, the utilization rate of equipment can be effectively increased, the required resourcesare dynamically adjusted according to service demands, the tested software is continuously tested, and the method helps to run and maintain a whole testing system. Through an introspection technologyof a virtual machine, the tested software is separated from a detection module. The tested software is deployed in the virtual machine, the detection module is deployed in a safer virtual machine monitor layer with a higher power level, and by integrating multiple advantages of the introspection technology of the virtual machine, the tested software is continuously, accurately and comprehensivelydetected.

The invention provides a flue gas desulfurization and demercuration method comprising the following steps of: spraying water containing chlorine ions into a circulating fluidized bed dry-method desulfurization and demercuration dust-removing device to purify raw flue gas; taking the water containing the chlorine ions to carry out a desulfurization and demercuration reaction in the circulating fluidized bed dry-method desulfurization and demercuration dust-removing device; and leading the purified dust-containing flue gas to pass through a cloth bag filter to obtain purified flue gas. The flue gas purified by using the method disclosed by the invention has high desulfurization and demercuration efficiency. The invention further provides a flue gas desulfurization and demercuration device for the method provided by the invention. The flue gas desulfurization and demercuration device comprises a water storage tank, an atomizing device communicated with an outlet of the water storage tank, and the circulating fluidized bed dry-method desulfurization and demercuration dust-removing device communicated with an outlet of the water storage tank. Furthermore, the method has the advantages of simple process flow, low investment and operation cost and easiness for industrialization; and the device occupies a small area and is convenient to operate and maintain.