1717results about How to "Easy to operate and manage" patented technology

One kind of short range nitrifying-anaerobic aminoxidizing sequencing batch type denitrifying biomembrane mode and plant is disclosed. The limited aerating mode with real-time control of the sewage temperature inside the reactor and high frequency alternation between aeration and anaeration can inhibit the growth of nitrite oxidizing bacteria and denitrifying bacteria so that the aminoxidizing bacteria and the anaerobic aminoxidizing bacteria become the dominant bacteria in the nitrifying and denitrifying stages. In the nitrifying stage, nitrification is stopped in the nitrite step; and in the denitrifying stage, ammonia nitrogen acts as the direct electron donor to reduce nitrite. The plant is provided with fixed spherical composite stuffing with spherical shell of polypropylene and filled inside biological composite material. Sectional discrete water feeding mode is adopted to feed the sewage to be treated in four stages into the reactor.

The active sludge-biomembrane compounding integral sewage treating method includes the first leading the sewage to be treated to the anoxic area through stirring for mixing sewage to be treated and active sludge, the subsequent leading the sewage to aerobic area with stuffing for aeration treatment with combined active sludge and biomembrane, and final leading the sewage to the precipitation area for natural deposition to separate sludge and water, leading out purified water, reflowing the mixed sludge liquid to the anoxic area and draining the residual sludge. The present invention also relates to the corresponding sewage treating apparatus. The present invention has the advantages of high treating capacity, resistance to impact load, simple operation, etc. and is especially suitable for use in medium and small towns.

The invention discloses a numerical machine tool machining state multi-parameter online active monitoring system and an implement method thereof. The system and the method mainly solve the problems that state detection performance indexes of an existing numerical control machine tool are not comprehensive, and closed-loop control during the machining process can not be achieved. The numerical machine tool machining state multi-parameter online active monitoring system comprises a first sensor assembly arranged on a numerical control machine tool servo feeding unit, a second sensor assembly arranged on a main shaft unit, a third sensor assembly disposed on a cooling liquid circulating unit and a multi-channel synchronous data collecting PXI box used for receiving information of collected data. The multi-channel synchronous data collecting PXI box sends related collected state signals to a monitoring computer in real time for analysis, calculation, display and storage, the monitoring computer generates related control instructions according to abnormal or optimized machining state parameters, transmits the related control instructions to a numerical control system of the numerical control machine tool through an Ethernet bus and executes related active control instruments, and accordingly real-time adjustment and control of numerical control machining process states are finished.

The present invention discloses an electric car charging station management system, the system comprises: a charger and a central computer control system, wherein the charger comprises a charger computer control system which is connected with the central computer control system, and the central computer control system controls the charger to charge up an electric car cell according to charging parameters which are stored in the central computer control system itself and matched with the electric car cell. In addition, the present invention also discloses a charging method for the electric car, the method comprises the steps that: before the charging, the charger establishes a data communication with the electric car; then the central computer control system obtains an electric car identification code, a cell identification code and an electric car owner identification code, and determines whether the identification codes are registered; and if the identification codes are registered, the charging can be performed, and the cost is deducted from a automatic payment account. The system and the method in the present invention have the advantages that: of cells in different specifications can be charged, and the electric car and the electric car owner identity can be confirmed by using the charging management system. In addition, the system and the method in the present invention also provide a good solution and a management platform for fee charging of the charging station, and bring more conveniences to payment of the electric car owner.

This invention relates to a photoelectromagnetic integrated advanced oxidation method and its device for waste water, which first of all acidizes the waste water, then strongly magnetizes it to generate energy of physical change and chemical change then enters into a photo-catalyzing box to be oxidated mostly to CO2 and water under the actioin of photo-catalyst, ultraviolet light, ozone and oxydol, in which, molecular chains of some hard-degradated substances are broken, then the waste water is micro-electrolysed to adsorb and recover the hard degraded substances under the action of extra low voltage, weak current and air, ozone and oxydol to get rid of COD, color degree, deodorizatin and disinfectant finall to filter it by diatomite and filter out suspending substances to reach the standard or recover it.

The invention discloses an intelligent management method for a photovoltaic module, and belongs to the field of operating maintenance of photovoltaic power stations. The intelligent management method for the photovoltaic module comprises the steps of (1) collecting external information of the photovoltaic module; (2) obtaining an actual I-V characteristic curve according to the external information; (3) judging whether the actual I-V characteristic curve meets a theoretical I-V characteristic curve or not, further analyzing abnormal types by utilizing a natural law principle if a set error value is exceeded, and otherwise, repeating the above steps; (4) sending warning messages if the abnormal types are judged to be faults, executing cleaning operation if the abnormal types are judged to be overmuch dirt retention, and carrying out no actions if the abnormal types are judged to be shadow covering. The invention further discloses an intelligent management system of the photovoltaic module. According to the intelligent management method and system for the photovoltaic module, real-time monitoring and automatic cleaning are carried out on the faults, cleanliness and the like of the photovoltaic module based on the natural law and the I-V characteristic curve of crystalline silicon, and safe, efficient, high-quality, intelligent, simple and convenient operation management of the photovoltaic power station is achieved.

The embodiment of the invention discloses a resource transfer data management method, a device and a storage medium, belonging to the technical field of the Internet. The method comprises the following steps: receiving the transaction data sent by the first server; signing the resource transfer data according to the private key of the first server to obtain the transaction data; verifying the transaction data according to the public key of the first server; when the verification is passed, a second block being generated according to the transaction data and the eigenvalues of the first block,and added to the block chain; storing transaction data in the block chain to ensure the security of resource transfer data and avoid the loss or tampering of resource transfer data; the private key ofthe first server being used to indicate the identity of the first server, which ensures the traceability of the transaction data; once the first server maliciously transfers the resources of the transferring party to other resource accounts, the intermediate party being recovered to compensate for the resource loss of the transferring party.

A system and method for treating sewage features that a high-density hydrophyte ditch is used to simulate a natural ecological system, which can absorb the nutrients from sewage, adsorb heavy metals and toxic and hamful substance, and remove nitrogen from sewage. Its advantages are high effect and low cost.

The invention relates to an urban sludge, excrement and kitchen garbage combined treatment process as a novel process, in particular to an urban sludge, excrement and kitchen garbage combined treatment process under the demands of lower investment from government, less occupying area and lower running cost. In the combined treatment process, a pretreatment unit, a combined tempering unit, an intermediate-temperature anaerobic digestion unit, a digestive juice dewatering unit, a methane purifying unit and a biogas treating unit are included. The invention provides a novel treatment process in order to solve the problems of pollution from urban sludge, excrement and kitchen garbage.

The invention provides a power grid dispatching auxiliary interactive method based on the speech recognition technology. The power grid dispatching auxiliary interactive method comprises the following steps that speech commands are collected and recognized, and a text command is generated; the text command is analyzed, so that a dispatching command is generated; the dispatching command is verified, and a response to the dispatching command is conducted. By the adoption of the power grid dispatching auxiliary interactive method based on the speech recognition technology, a dispatching relevant command is extracted from the natural speech of a dispatcher and is sent to an automatic dispatching system, so that management operation is conducted; in this way, the limitation that the interaction mode of a traditional dispatching system is single is broken through, a more natural and more effective interaction mode is provided for the dispatcher, so that the dispatcher conducts management interactive operation more naturally and more conveniently, a great number of tedious and complicated input processes are simplified, and work efficiency is improved.

The invention discloses a method for treating landfill leachate, which orderly comprises flocculation precipitation pretreatment, hydrolysis pre-acidification treatment, anaerobic treatment, aerobic treatment comprising shortcut nitrification-denitrification and secondary nitrification-denitrification, membrane separation treatment and oxidation flocculation treatment. The method has the advantages of having higher removal rate of ammonia nitrogen and lower energy consumption, realizing the up-to-standard discharge of leachate concentrated solution, ensuring sound operation of the whole system, greatly lowering the oxidation-reduction potential in the anaerobic reaction, and improving the anaerobic treatment effect, thereby making the landfill leachate fully meet the first-level discharge standard of the Integrated Wastewater Discharge Standard.

The invention belongs to the field of reclamation of solid wastes, in particular relating to a method and a device for producing methane by using a dry anaerobic digestion for urban sludge and an organic matter. The device comprises a reaction chamber and a double-layer helix ribbon type agitator and is provided with a feed inlet and outlet, a sample port, a temperature-setting controller, a methane metering device, a stirring control device and others devices. The method comprises the following steps: dewatering sludge is placed into a fermentation tank for inoculation and seal, the revolving speed at start-up stage is 5-15r / min and daily stirring time is 12h, the revolving speed at acid-producing stage is 10-20r / min, intermittent operation is carried out; the daily stirring time is more than or equal to 8h and less than or equal to 16, and starting and stopping frequency for the motor is required to be increased; temperature control is performed at acid-producing stage and methane-producing stage and material temperature is controlled to be 35+ / -1 DEG C; and after finishing the fermentation, one fourth to one third of biogas residues are left for being used as inoculum for the next batch of fermented materials and the rest of residues are discharged. The invention can be applied to reclamation treatment of the urban sludge and can obviously save equipment investment and land occupation compared with the wet fermentation.

A mass point cloud spatial management method based on octree-like encoding takes the massive point cloud data as the research object, and is a hybrid point cloud index structure which combines the spatial segmentation of KD-tree to achieve efficient management of mass point cloud. The method is characterized in that firstly, the space of point cloud is partitioned by KD tree, and the subspace is further partitioned by octree, and the octree-like index structure is established; the traditional linear octree coding is improved and the optimized coding method is used to encode the space in orderto achieve better spatial management and neighborhood search. The experimental results and comparative analysis show that octree-like structure can make the overall structure of data organization morereasonable, improve the access efficiency and reduce the occupancy of memory space. The method not only improves the speed of traditional KD tree index, but also improves the problem that traditionaloctree occupies too much space and takes too long to search neighborhood, and realizes the reasonable management of massive point cloud space.

The invention relates to the field of drinking water treatment, in particular to a reaction device for deep treatment of drinking water and a method for deep treatment of the drinking water by a water factory. In order to realize the goal of transforming the conventional drinking water treatment process into the deep treatment process, the reaction device and the method adopt the scheme that (1) a static mixer and a coagulation reaction pool are not changed; (2) a sedimentation pool is transformed into an ultrafiltration membrane pool; (3) a medium water pool and a lifting pump used for waterlifting are additionally arranged at the back end of the ultrafiltration membrane pool; (4) a main ozone oxidization pool is in additional arrangement; and (5) an original sand filter pool is transformed into a particular active carbon filter pool. The coagulation and the ultrafiltration are combined, particular colloid and macromolecular organic matters in the water are removed, difficult-to-degrade pollutants are damaged through ozone oxidization, in addition, the macromolecular organic matters are converted into middle and small molecular weight organic matters, and organic matters and pollutants such as ammonia nitrogen and the like in the water are further reduced through the absorption of particular active carbon and the biological degradation of microbes grown on the surface.

The invention discloses a multi-functional toll collection lane controlling and managing system of toll roads. An industrial personal computer, a car controlled machine, an IC (integrated circuit) card reader, a toll special keyboard and a display screen at an entrance lane direction are arranged in a toll booth; an entrance lane IC card automatic card sender and an entrance lane full-automatic toll data wireless emitter / receiver are arranged at the right side of the toll booth; the industrial personal computer, the car controlled machine, the IC card reader, the toll special keyboard and the display screen at an exit lane direction are arranged in the toll booth; and an exit lane full-automatic toll data wireless emitter / receiver is arranged at the left side of the toll booth. The system of the invention can organically combine three functions of manual toll lane, ETC (electronic toll collection) lane and automatic card sending and reading lane, so that various of vehicles can pass through the entrance and exit lanes of the toll station in a short time; and the system can disperse the vehicles on the square to a maximum extent without building new lanes. The system is safe and quick. In addition, the system can accelerate vehicle traffic capacity and reduce labor intensity of the toll staff.

The invention discloses a low-oxygen aerating control device and method of segment inlet A / O biological denitrifying technique, which contains three control circuits, wherein the first and second circuits adopt DO cascade PI control system; the third circuit uses higher-precision ammonia nitrogen feedforward-feedback control system, which gathers DO density, ammonia nitrogen density of aerobic area and ammonia nitrogen density of last anoxybiotic area to reflect the change of inlet load.

The invention belongs to the field of rice cultivation, and particularly relates to a cultivation method suitable for no-tillage rice in a fixed compartment of an oil crop-medium rice field. The cultivation method comprises the following steps that: (1) rice seeds are coated by using dry-raised nurse, thick mud and dry fine soil serving as coating agents, wherein the components comprise 7.9 to 12.5 percent of dry-raised nurse, 25 to 26.3 percent of rice seeds, 12.5 to 13.2 percent of thick mud with 37 percent of water content and 50 to 52.6 percent of dry fine soil with 3 percent of water content in percentage by mass; the rice field is finished as required and the soil moisture is kept; and keeping the seedling age at 15 to 18 days; (2) the compartment width of the oil crop field is 1.2 meters, the width of the ditch is 0.3 meter, and the depth of the ditch is 0.25 meter; the rape seedlings are applied to the field; a ternary compound fertilizer of which pure nutrients comprise 15 percent of N, 15 percent of P2O5 and 15 percent of K2O is applied, and 30 kilograms of pure nitrogen is applied in each mu; 5.80 kilograms of zinc is applied in each mu; and 4.8 kilograms of boron fertilizer is applied in each mu, and the ditch is kept full of water; (3) rice seedlings with 50 to 100 grams of soil in each seedling in 15 to 18 days are directionally thrown according to a row space of 20 centimeters; and (4) the ditch is kept with water and the compartment surface has no water after throwing the seedlings till the heading stage, and dry and wet alternated cultivation is adopted from the grain filling stage to the maturation stage. Compared with the conventional method, the yield is averagely increased by 8.7 percent.

The invention relates to a method for processing oil sludge, and is suitable for processing ground crude oil in oil field, and a whole technology does not impacted by the loading. According to the existence state of oil, sand and water in oil-containing sludge, by the steps of heating, adding drug, homogenizing, aerating, depositing and centrifuging at high speed, the existence distribution state of oil, sand and water can be changed, the sand-in-oil phenomenon in the original oil sludge is gradually changed to sand-in-water, and the inclusion viscosity of the crude oil to sediment is reduced. Through settlement, oil sludge can be separated before entering into a centrifuge, the loading of the high speed centrifuge is reduced, processing amount of a device is increased, and the unit energy consumption is reduced. The separated sediment surface as well as the internal oil content are reduced to the lowest limitation. The unit treatment process parameter can be freely adjusted according to the oil-containing sludge processing requirement, the method has certain adaption capability; the process is simple and smooth, the operation and management are convenient, recovered crude oil and processed sediment can reach the standard in a stable manner, and a system employs the combination of automatic mode and manual operation.

The present invention discloses an apparatus and a method for the ecological fishing cultivation based on the composite vertical flow artificial wetland; wherein, the apparatus adopts the water stream as the carrier among a cultivating fish pond, an artificial wetland, an ecological channel and a water compensation pond that are serially connected with each other; the cultivating fish pond is provided with a water pump and is communicated with the artificial wetland through a culvert pipe, the artificial wetland is connected with the ecological channel, and the communication position between the ecological channel and the cultivating pond is provided with a stream fall about 50 cm. The apparatus has simple structure, is convenient to cultivate the fish and obviously improves the cultivating yield, which protects the water environment while realizing the high-quality and high-efficient health cultivating of the fishes so as to realize a pond cultivating composite apparatus that can be sustainable to use.

The invention relates to an integral indoor ecological circulating water culture system, belonging to the technical field of culture water biological purification. The system comprises a vinyl house, a sedimentation basin, a methane tank, a biological filter pool A, a biological filter pool B, a biological filter pool C, a water storage tank, a breeding pond A, a breeding pond B, a breeding pond C, a breeding pond D and a breeding pond E, and wherein the sedimentation basin, the biological filter pools, the water storage tank, and the breeding ponds are symmetrically arranged in the vinyl house in a straight line. A water collecting main pipe, a back-flow pipe and an aeration main pipe are sequentially arranged on two sides of the sedimentation basin, the biological filter pools, the water storage tank and the breeding ponds. After being processed by multiple steps such as automatic collection and sedimentation, filtration, and absorption and conversion by water plant and stuffing materials, the breeding water of the system enters into the water storage tank to be subjected to reoxygenation and sterilization, then the breeding water is promoted into the breeding ponds for circulation and utilization through an immersible pump, thus the production cost of indoor industrial culture is lowered, and the system has remarkable popularization and application prospect in water shortage areas in our country for developing the high-density culture.

An embodiment of the invention discloses a projection screen equipment control method, device and equipment and a storage medium. The method comprises the following steps: receiving a projection screen request transmitted by at least one transmitting end by a receiving end, and generating projection screen information corresponding to the transmitting ends according to the projection screen request; and generating an operation command generated by function selection based on the projection screen information by the receiving end, and correspondingly operating the projection screen equipment according to the operation command. By the technical scheme of the invention, management operation of the projection screen equipment can be simplified, and user experiences are improved.

The invention discloses a spinning printing and dyeing waste water reclamation method, a device and the application thereof. The method comprises the steps of: filtering spinning printing and dyeing waste water; sequentially carrying out homogenizing, equalizing quantity and primary sedimentation on filtrate; adding sodium chloride into waste water supernate, and evenly mixing for indirect electro-catalysis oxidation; sequentially evenly mixing the waste water treated by indirect electro-catalysis oxidation with basic aluminium chloride and polyacrylamide; removing the precipitated supernate, and sequentially treating by activated carbon adsorption and reverse osmosis; removing trace organic chloride generated in the electrolytic process and the rest COD and color; and obtaining recyclable water resource. The device for realizing the method comprises a grate, a regulating reservoir, a sealed electrolytic cell, a flocculation tank, an inclined tube sedimentation tank, a sand filter tank, an active carbon filter, an intermediate water tank, a reverse osmosis unit, a clear water reservoir, a brine tank, a chlorine absorbing tank, a sludge concentration tank and a plate-and-frame filter press. The invention can effectively treat spinning printing and dyeing waste water, and has the advantages of high treatment efficiency, stable effluent quality, simple technological process and the like.

The invention relates to a biomembrane reactor with non-foaming oxygen supply of a membrane carrier and a method for treating organic wastewater, which belongs to a technique for treating wastewater. The biomembrane reactor with non-foaming oxygen supply of the membrane carrier comprises a hollow membrane component of a curtain type. The process of treating wastewater by applying the biomembrane reactor with non-foaming oxygen supply of the membrane carrier comprises the following steps: the hollow membrane component of a curtain type is arranged in a wastewater pond; air is lead in through an inlet pipe; oxygen in the air permeates a hollow fiber membrane of oxygen permeation and enters the biomembrane attached on the hollowing fiber membrane of oxygen permeation; organic wastewater after settled flows through the surface of the biomembrane attached on the hollowing fiber membrane with a certain flow rate; microorganisms on the hollow fiber membrane decompose organic matters, so the content of organic matters in the water is gradually decreased; when the index of the organic matters reaches the requirement of wastewater discharge, the wastewater is discharged through a water outlet. The biomembrane reactor with non-foaming oxygen supply of the membrane carrier has the advantages of high utilization of oxygen, small amount of required aeration, energy conservation, and easy control of transferring efficiency.

The invention relates to a real-time automatically back-flushing control system of a denitrification filter pool and a running method. The system comprises an online water turbidity sensor, a nitrate sensor, a turbidity tester and a nitrate tester, and further comprises a process controller and an industrial personal computer. The online water turbidity sensor, the nitrate sensor, the turbidity tester and the nitrate tester are arranged in the denitrification filter pool. The process controller is provided with a plurality of relays of a water feeding pump relay, an intake valve relay and the like, and the relays are sequentially and respectively connected with corresponding pumps and valves in a control manner. A clean water tank is further provided with a water discharging pipe and a mud storage tank, the water discharging pipe is communicated with the upper part of a filter material layer of the denitrification filter pool, and the mud storage tank is communicated with the upper part of the denitrification filter pool. The running method of the back-flushing control system comprises the following steps of: 1, control system starting; 2, parameter treatment judgment; 3, drainage process; 4, single gas back-flushing; 5, gas-water combined back-flushing; and 6, single water back-flushing. The invention is suitable for the urban sewage advanced treatment and the nitrogenous industrial wastewater treatment, and has the advantages of perfected structure, convenience of operation, high efficiency and good effect.

The invention discloses a separately-built type rainwater regulation system, which is arranged on a plurality of different confluence tubes. The regulation system comprises a first interception well, a second interception well, a regulation tube, and filter layers which are arranged in the first interception well and the second interception well respectively; the first interception well is provided with a sewage interception tube which extends to a sewage plant, a drainage port connected with a river channel, and an end water inlet connected with the end parts of the confluence tubes; and the second interception well is provided with an initial rain interception tube which extends to the regulation tube, and a side water inlet connected with the side parts of the confluence tubes. The separately-built type rainwater regulation system disclosed by the invention is suitable for the current situation as well as still convenient and realizable in case of an insufficient site; simultaneously, the interception effect can be greatly improved, and the intercepted drought flow sewage is intercepted in the sewage treatment plant and rainwater is intercepted in the regulation tube, so as to reduce pollution on the river channel, and improve the regulation capacity of urban drainage.

The invention provides a constructed wetland and the application thereof; wherein, the constructed wetland takes gravels and manganese sands as combined packing and can be used for treating wastewater in industries, such as iron and steel industry, etc., the wetland can reduce the nutrient content of organics, nitrogen, phosphorus, etc. in water, and meanwhile can remove metal ions, such as Fe, Mn, Cd, Pb, etc., more particularly, can reduce higher content of ions of Fe and Mn in iron and steel industry wastewater so that the index achieves the water quality standard of reclaimed water used as cooling water and the water intake quality requirement of reverse osmosis desalination process in Code for Engineering Design of Wastewater Reclamation and Reuse. The wetland has less engineering investment, simple management, low operation and maintenance cost, stable processing effect, so as to have better environmental, economic and social benefits. The wetland has better wastewater processing effect, stronger treatment capacity and stronger shock resistance loading capability, so the wetland can greatly solve the problem of excessively high concentration of Fe and Mn ions in wastewater reuse of the iron and steel industry, etc.

The invention discloses a dry weather flow and initial rainwater multifunctional catch basin for a combined network. The dry weather flow and initial rainwater multifunctional catch basin for the combined network comprises a basin body. The basin body is provided with an interceptor sewer extending to a sewage plant, an initial rainwater interceptor extending to a regulation and storage pipe, a water outlet communicated with a river channel, and a water inlet communicated with a combining pipe. The catch basin further comprises a filter layer disposed in the basin body. The filter layer is disposed between the water inlet and the water outlet so that a water inlet area close to one side of the water inlet and a water outlet area close to one side of the water outlet form in the basin body. The filter layer comprises a stop board disposed on the upper portion of the basin body, an overflow weir disposed on the lower portion of the basin body and a filter net disposed between the stop board and the overflow weir. The stop board is provided with through holes. The dry weather flow and initial rainwater multifunctional catch basin for the combined network has the advantages that the multifunctional catch basin is convenient to implement, the filter layer can be cleaned automatically, intercepting effect is improved, service life of the catch basin is prolonged, and river channel pollution is reduced.

The invention discloses a comprehensive aquaculture device and a method based on a multi-trophic-level ecological ditch. An aquaculture pond is connected with a filter feeding type fish aquaculture area through a culvert pipe, the filter feeding type fish aquaculture area is connected with an emergent aquatic plant purification area through a water filtration partition, the emergent aquatic plant purification area is connected with a submerged plant purification area through a water filtration partition, a water filtration partition is arranged at the tail end of the submerged plant purification area, and a water pump is arranged inside each partition. The aquaculture method includes the steps that the step A, source water which is acquired on the rim and accords with fishery water quality standards is pumped into the aquaculture pond through automatic flow or a water pump; step B, the aquaculture mode of combination of high-density stocking and multiple stocking and multiple fishing is adopted; step C and step D, along with arrival of aquaculture seasons, an impeller type aerator and a water ploughing machine are arranged in the aquaculture pond; step E, fishes are stocked in the filter feeding type fish aquaculture area; step F, leakage and water evaporation are carried out, and standard source water is added into the aquaculture pond. By means of the comprehensive aquaculture device and the method based on the multi-trophic-level ecological ditch, structure is simple, aquaculture is convenient to operate, aquaculture yields are improved greatly, and water area environment is protected.

The invention provides a method for controlling a multiple on-line system. The method is characterized by comprising the following steps of: S1, controlling an indoor unit to send a control signal, wherein the control signal is used for controlling a target indoor unit designated by the control signal in the multiple on-line system; S2, receiving the control signal by at least one indoor unit in the multiple on-line system; and S3, executing operation according to the control signal if the at least one indoor unit is the target indoor unit. Furthermore, the invention also provides a multiple on-line system. According to the multiple on-line system and the control method of the multiple on-line system described by the embodiment of the invention, other indoor units can be controlled through one indoor unit, and setting mode of other indoor units can be customized, so that operation and management can be facilitated, and the operation mode is diversified.

A technology for synchronously removing N and P from the city sewage features that the composite suspended living things system with active sludge and biomembrane is created in a batch of composite bioreactors, which in running by the sequence of anaerobic, aerobic and anoxic steps. Its advantages are short reaction flow, less consumption of carbon source, high effect and low cost.