30results about How to "Easy for daily maintenance and management" patented technology

The invention relates to a comprehensive treatment method for liquid dung of livestock and poultry and domestic wastewater in a country, and is used for solving the problems of random discharge of comprehensive wastewater by peasant household and shortage of matching treatment facilities. The comprehensive treatment method comprises steps of mixing the domestic wastewater of peasant household with excrement sewage of livestock and poultry according to weight ratio of 1:1, then pre-treating sequentially by a coarse screen, a water collecting tank and a fine screen, and treating by an anaerobic biofilter, a two-stage biological aerated filter and a constructed wetland, wherein macromolecular organic matters are degraded into micromolecular organic matters through the anaerobic biofilter, so that the biochemical degradability of the wastewater is improved; the effluent passing through the two-stage biological aerated filter flows back to the anaerobic biofilter for nitrogen removal by denitrification; two-stage aeration is mainly used for removing most organic matters, and most ammonia nitrogen is converted into nitrate nitrogen through the action of nitrobacterium; the constructed wetland is mainly used for further purification treatment on the wastewater, so that the effluent reaches the standard and is discharged.

The invention discloses a negative pressure drainage system and a drainage method. The drainage system comprises a vacuum valve pit, a vacuum pot, a first valve, a water pumping pipe, a vacuum pipeline and an air inlet pipe, wherein a first end of the water pumping pipe extends into the bottom of the vacuum valve pit; a second end of the water pumping pipe is connected with the vacuum pot via the vacuum pipeline; the first valve is arranged between the vacuum valve pit and the vacuum pot; a first end of the air inlet pipe is communicated with the water pumping pipe; a second end of the air inlet pipe is communicated with the atmosphere pressure; an interface between the air inlet pipe and the water pumping pipe is arranged over the second end of the water pumping pipe; water flows in the vacuum valve pit enters the vacuum pot and decreases to a lower limit of a preset liquid level; and after preset time, the first valve is closed. Realistic foundation is laid for theoretical research on the negative pressure drainage system; and an existing system can be simulated, so operation stability can be improved and daily maintenance and management can be facilitated.

The invention relates to the technical field of a diesel engine control system of million-grade nuclear power, and discloses a nuclear power emergency diesel engine multi-working-condition early-warning state monitoring and diagnosis analysis system and method. The method comprises the following steps: acquiring the state signal of an emergency diesel engine; periodically intercepting the state signal and converting the state signal into an angular domain signal, and defining the operation state of the emergency diesel engine in the different phases in a period; and comparing the intercepted and converted state signal with a health state model, and evaluating the operation state of the emergency diesel engine. Due to the fact that the collected state signal is converted into the angular domain signal, the operation and acting processes of the emergency diesel engine can be identified, and a health state model is built in advance to serve as a pre-warning model for comparison, so that the system and the method can find the potential faults of the emergency diesel engine in time, and the fault information can be stored in time, the safety operation of the emergency diesel engine is guaranteed, the daily management and maintenance of the emergency diesel engine is facilitated, and the labor cost is saved.

The invention discloses a leakage communication system with fault location, comprising a base station for sending and receiving signals, repeaters for amplifying signals and a leakage cable for signal coverage. The system is characterized by comprising an equipment self-checking device for judging a single-machine state and a system-inspecting device for judging the state of the leakage cable and displaying the state of the system. A channel machine in the base station is connected with the leakage cable in a coverage area by an isolator; repeaters are arranged on the leakage cable in the coverage area at intervals of 400-550m; distributors are arranged at branch positions of roadways in the coverage area and connected with a plurality of subsequent repeaters by the leakage cable; every subsequent repeater is connected with more subsequent subsequent repeaters by the leakage cable; and load for signal matching is arranged at a coverage terminal of leakage cable. The system is capable of automatically judging operation state of the system, initiatively offering fault alarm and locating a fault onto equipment or the cable, thereby creating convenience for maintenance of users.

The embodiment of the invention relates to an intelligent control system of an automatic liquid soap machine. The intelligent control system comprises a cloud intelligent management platform and several automatic liquid soap machines, and the automatic liquid soap machines are in communication connection with the cloud intelligent management platform separately; each automatic liquid soap machinecomprises a box body, a liquid soap bottle, a supporting plate, a liquid outlet pipe, a liquid soap pump, a liquid outlet nozzle, a driving motor, a driving wheel, a control gear, a control shaft, anopening and closing controller and a control mainboard; a liquid outlet is formed in a front panel of each box body, and a two-dimensional code is arranged on the outer surface of the box body; each liquid soap bottle is installed at the lower portion of the inner side of the corresponding box body; each supporting plate is erected on the inner side of the corresponding box body; each liquid outlet pipe stretches into the corresponding liquid soap bottle through a liquid soap outlet, and stretches out to the upper portion of the corresponding supporting plate through an insertion port; each liquid soap pump is erected on the corresponding supporting plate and connected with the corresponding liquid outlet pipe; each liquid outlet nozzle is inserted into the corresponding liquid soap pump;each driving motor is erected on the corresponding supporting plate and is in transmission connection with the corresponding liquid soap pump, and a control switch is arranged; each driving wheel sleeves a shaft rod; each control gear is meshed with the corresponding driving wheel; each control shaft is inserted into the corresponding control gear; each opening and closing controller is in communication connection with the corresponding control shaft; each control mainboard is erected on the inner wall of a backboard of the corresponding box body. The intelligent control system can be accessedto the internet, the using frequency is remotely and precisely controlled, and maintenance in the later period is simple.

The invention relates to the technical field of aquaculture, in particular to a litopenaeus vannamei recirculating aquaculture system based on a biological floccule water treatment technology. The system comprises a culture area and an external treatment area, wherein the culture area comprises a culture pond and a water mixing pond, and the external treatment area comprises a biological flocculation pond and a physical filtering pond. According to the litopenaeus vannamei recirculating aquaculture system based on the biological floccule water treatment technology, the biological floccule water treatment process is independent from a culture water body, meanwhile, the biological flocculent water treatment technology and a circulating water treatment method are combined in technology and facility engineering, so that the daily maintenance management of the biological floccules is facilitated, and the whole system has the advantages of being convenient to manage, capable of saving energy, reducing the culture risk and improving the culture efficiency.

The invention discloses a system of utilizing GSM / GPRS / CDMA network remote transmission to control information of a heat energy meter, which comprises a meter reading terminal, a GSM / GPRS / CDMA network and a monitoring center, wherein the monitoring center comprises a monitoring end GSM / GPRS / CDMA network modem and a heating company host machine server, the meter reading terminal comprises the heat energy meter, a meter reading terminal GSM / GPRS / CDMA network modem, wherein a data transmission end port of the heat energy meter is connected with an input end port of the meter reading terminal GSM / GPRS / CDMA network modem, an output end port of the meter reading terminal GSM / GPRS / CDMA network modem is switched into the monitoring end GSM / GPRS / CDMA network modem through a GSM / GPRS / CDMA network, and an output end of the monitoring end GSM / GPRS / CDMA network modem is connected with an input end of the heating company host machine server.

The invention relates to the technical field of medical apparatus equipment, in particular to an independent exercising rehabilitation apparatus with the physical therapy and baby-sitter functions anda using method thereof during the middle and later treatment and rehabilitation recovery periods in a neurology department. The physical therapy and walking exercising rehabilitation apparatus for patients suffering from stroke, brain obstruction, brain bleeding, brain atrophy, brain neural damage, leg myasthenia and long illness is obtained. The apparatus is an assembly which comprises an upperunit and a lower unit, the upper unit is used for free walking rehabilitation exercising and magnetic physical therapy and has the daily life baby-sitter function, a patient can be protected by a backauxiliary type safety belt to freely walk on a circular conveyor rubber belt. Passive searing, puncturing and stroking can be performed on foot sole acupoints, a reflecting region, micro-circulationblood vessels and a neural system, and magnetic physical therapy is performed by means of different means. The bottom layer lower unit is a walking platform, after assembling, the patient can freely move in living quarters such as a courtyard, a small square, a park and the like, the running speed of the lower unit is the same as that of the upper unit, and free walking, exercising, rehabilitatingand physical therapy are synchronized.

The invention provides an equipment state real-time monitoring method and system based on a distributed scheduling task. The method comprises the steps that monitoring information of a key fault partof equipment is received and the monitoring information is transmitted to a real-time database; the scheduling center realizes task allocation and scheduling, the job actuators are distributed in different machines, and the scheduling center allocates tasks and execution time executed by the job actuators on each machine according to a configured task allocation strategy; the actuator obtains dataneeded by equipment monitoring through the real-time database, then processes the data and calculates the current running state of the equipment. According to the invention, the concurrency rate of the scheduled tasks is improved by scheduling the timed tasks and splitting the scheduled tasks into the scheduling center and the executor, the execution efficiency of timed scheduling is improved, itis ensured that the state of the equipment can be monitored in real time, state change detection of the equipment is accurate to the second level, and the real-time performance and accuracy of equipment monitoring are further improved.

The invention relates to a method for improving tissue culture seedling transplanting survival rate of oncidium, and belongs to the technical field of agricultural biology. Through selection of a planting matrix, hardening-seedling, seedling washing, fixed planting and other ways, the problems of difficulty in root growing, heavy disease in hardening-seedling and transplanting stages, low survivalrate after taking out of a bottle, weak stress resistance and others of the tissue culture seedling of oncidium can be solved; the method for improving tissue culture seedling transplanting survivalrate of oncidium can improve the transplanting survival rate; the growth recovery of the tissue culture seedling is quick; the disinfectant applied to the method is reasonable in formula, the air-drying time is suitable; the epidemic disease and soft rot in seedling stage of the oncidium can be reduced; moreover, the method is also good for root growth.

The invention provides insect situation forecasting equipment. The equipment comprises an insect receiving part, an insect luring device, an insect killing device, a treating device, a cleaning deviceand a core controller. By means of the insect situation forecasting equipment, the efficiency of insect situation forecasting can be improved.

The invention provides a wireless card, a data analysis method / system, a readable storage medium and a server, wherein the wireless card is attached to an asset equipment to be monitored. The wirelesscard includes a contact sensing module for sensing and transmitting a force data signal acting on the contact sensing module, a data processing module electrically connected to the contact sensing module, configured to receive the force data signal and form a data frame for transmission according to the force data signal, wherein the frame structure of the data frame includes a first address filled with a broadcast address, a second address filled with a MAC address for defining a wireless card, and a third address filled with real-time status information for indicating the wireless card, asignal transmitting module which is electrically connected with the data processing module, and is used for transmitting data frames formed by the data processing module. The invention realizes wireless device support of a plurality of manufacturers. Wireless card has the function of alarm signal, which is convenient for management personnel to maintain and manage.

The invention relates to a pressure steel pipe overhaul access passage structure of a high-water head hydropower station and a construction method thereof. The invention aims at realizing the purposes of being capable of arranging overhaul access passages on two or more parallel pressure steel pipes and simultaneously reducing the excavation of an overhaul access hole with single function, further facilitating the reduction of the hole chamber excavation engineering quantity and the shortening of the construction period and simultaneously creating convenience for daily management and maintenance. In the technical scheme of the invention, a construction adit and a pressure steel pipe at the tail end are in T-shaped arrangement, the construction adit and other pressure steel pipes are in cross arrangement and a steel climbing ladder is erected at the upper parts of the other pressure steel pipes; and the overhaul access passage is arranged on the boundary of each pressure steel pipe andthe construction adit and at the inlet end, and an access door is arranged on the outer side of the passage.The invention is applicable to water diversion buildings of the hydropower stations.

The invention discloses an SBR water treating device, and relates to the technical field of sewage treatment. The upper end of a support is provided with multiple reactors. Stirring paddles are arranged in the multiple reactors respectively. The upper ends of the stirring paddles are connected with motors. A speed adjuster is arranged in a speed adjuster box which is fixedly installed on the support. Sludge backflow pipes are arranged in the reactors and provided with flowmeters, the bottom of the support is provided with a water inlet pipe, an aerator pipe and a sludge backflow pipe, one end of the aerator pipe is connected with an aerator head, the other end of the aerator pipe is connected with an air pump, the water inlet pipe, the aerator pipe and a blow-off pipe are provided with ball valves respectively, a blow-off outlet is connected with the blow-off pipe, and the reactors are connected the air inlet pipe, the blow-off pipe and the sludge backflow pipe respectively. The technological process is simple, the operation maintenance quantity is small, the investment is low, and occupied area is small.

The invention provides a railway key asset management system based on a block chain technology, and relates to the technical field of railway asset management and block chains. The railway key asset management system comprises an asset standing book unit, an asset application unit, an asset self-inspection unit, an asset inspection unit, a temporary repair fault unit, a monitoring fault unit, an asset maintenance unit and an asset health condition unit. According to the system disclsoed in the invention, each railway key asset unit is used as a node in the system, and railway key asset management data is stored in a blockchain mode. The system provided by the invention realizes synchronous access of the data of the railway key assets, realizes data query, realizes sharing of various data,ensures the stability and non-tampering performance of the related data of the railway key assets, and is convenient for a user to monitor the railway key assets.

The invention discloses a method for prevention and control of non-point source pollution and cyclic utilization of resources of a tea garden. A system mainly consists of a source reduction system, a pollution process reduction system, a pollution end control system and a resource cyclic utilization system, wherein the source reduction system is used for reducing pollution of the tea garden and is provided with irrigation canals and ditches, and base fertilizers are used in the source reduction system; the pollution process reduction system is provided with trunk canals and interception permeable dikes; the pollution end control system is provided with buffer regions and ecological regions; and in the resource cyclic utilization system, plants in the ecological regions are raw materials for preparing the base fertilizers. According to the method and the system, by configuring longitudinal furrows and transverse furrows in the tea garden at a sloping field and preparing and using the base fertilizers, the pollution is reduced at source; the trunk canals are provided with the interception permeable dikes to intercept pollution, the buffer regions and the ecological regions are arranged, and the pollution is controlled at the end; and wastes in the tea garden are subjected to resource utilization to prepare the base fertilizers, so that aiming at slope runoff of low-pollution water in the tea garden, a non-point source prevention and control method for source reduction, process reduction, end control and cyclic utilization for the tea garden is formed by utilizing a resource cyclic utilization manner.

The invention relates to the technical field of medical devices and equipment, and is a self-exercising rehabilitation device and its use method during the mid-late stage of neurology, taking into account the function of a nanny during recuperation and recovery. The invention discloses a device for physical therapy and walking exercise rehabilitation for patients with cerebral apoplexy, cerebral infarction, cerebral hemorrhage, cerebral atrophy, damaged cranial nerves, leg muscle weakness and chronic illness. It is a combination, with upper and lower units, the upper unit is "free" walking rehabilitation exercise, the magnetic physiotherapy area also has the function of daily life nanny, and the patient walks "freely" on the rubber belt of the circular conveyor under the protection of the back auxiliary safety belt . The acupoints, reflection areas, microcirculatory vessels, and nervous system on the soles of the feet are passively branded, pricked, stroked, and magnetic physiotherapy with different means. The lower unit on the ground floor is a driving platform, which can move freely in courtyards, small squares, parks and other living areas after combination.

The invention discloses an integrated regional power supply and communication system. The system comprises a power supply system and a passive optical communication system.Two adjacent stages of powersupply equipment in the power supply system are connected through a cable, two adjacent stages of optical division equipment in the passive optical communication system are connected through an optical cable, and each section of cable and the corresponding optical cable are integrated in asame pipeline channel. In the invention, the passive optical communication system connected with each stage of optical division equipment through the optical cable is selected; and apassive optical communication optical cable does not generate electromagnetic interference with the cable so that the optical cable and the cable can be integrated in the same pipeline channel without influencing operation safety of the power supply system, a goal of incorporating the power supply system and the communicationsystem into an integrated electromechanical system is achieved, engineering design and installation and daily maintenance and management are facilitated, quick positioning of line faults is also facilitated, and potential safety hazards in anarea are reduced.

The invention relates to an underground engineering ventilation air conditioning system based on PLCs (programmable logic controllers), belonging to the field of automatic control. The underground engineering ventilation air conditioning system based on the PLCs provided by the invention adopts a PROFIBUS-DP (decentralized periphery) communication method and comprises a master station and slave stations, wherein the master station comprises an industrial personal computer and a CP5611 communication card, and each slave station comprises a single-chip microcomputer, a touch screen, a carbon dioxide sensor and an EM277 communication module.

The invention discloses a modularized greenhouse water culture structure. The modularized greenhouse water culture structure comprises a plurality of water culture pools which are arranged in a greenhouse, wherein a nutrient solution pool is formed in the lower end of one water culture pool by digging, the nutrient solution pool communicates with the plurality of water culture pools through a liquid pump and a plurality of liquid conveying tubes, and an overflow device is arranged on each water culture pool; the overflow devices communicate with the nutrient solution pool through liquid returnpipes, each water culture pool comprises a bottom plate, and two long side plates and two short side plates which surround the bottom plate, and a plurality of support bars are disposed between everytwo long side plates which extend in the length direction. The modularized greenhouse water culture structure is constructed in a modular mode and convenient to use, and can be used repeatedly.

The invention discloses an oil applying device and an oil applying method for a blowing rate switch shell. The oil applying device for the blowing rate switch shell comprises a shell oil applying device, an optical fiber sensor, a relay, a time relay, a solenoid valve, an oil reservoir casing and a direct current power supply, the shell oil applying device comprises a shell locating plate and a shell oil applying base, the shell locating plate and the shell oil applying base are fixedly connected together, the optical fiber sensor and the time relay are both connected with the relay, the solenoid valve is connected with the relay through the time relay, and the oil reservoir casing is connected with the solenoid valve. The oil applying device replaces manual oil applying, automatic oil applying operation is achieved, oil pump capacity can be controlled accurately, oil applying of accurate positioning is achieved, and influences of human factors are eliminated. Labor productivity is improved, and the qualified rate of products is also improved at the same time.