158results about How to "No manual maintenance" patented technology

The invention relates to a multifunctional ecological purification system for large-scale circulation breeding water, which is used for exchanging water in a pond and purifying the breeding wastewater in the pond. The purification system comprises an efficient precipitation and filtration region, an ecological breeding purification region, an artificial wetland purification region, a water collecting pond and an automatic water quality monitoring and regulating device, wherein the efficient precipitation and filtration region, the ecological breeding purification region and the artificial wetland purification region are used for purifying a water body, and the automatic water quality monitoring and regulating device is used for monitoring the quality of the water body in the purification system and controlling operation of the purification system. Compared with the prior art, the system can be used for automatically monitoring the water quality in the system, so that water in the pond can satisfy the requirements of aquaculture water after being subjected to circulation treatment of the purification system. Meanwhile, aquatic animals and plants and bottom mud generated in the purification system can be recycled. The system provided by the invention can be applied to purifying large-scale aquaculture wastewater and has good economic and environmental benefits.

The invention discloses a vegetation restoration structure of a discarded metal mine. The vegetation restoration structure is in a shape of a stair. Each step comprises a lime layer, a straw layer, a soil replacement layer, a drainage channel and a soil blocking slope, wherein the lime layer is positioned at the bottom layer, and the thickness of the lime layer is 5-8cm; the straw layer is positioned on the lime layer; the soil replacement layer is positioned on the straw layer, serves as the main body layer and contains organic fertilizers and compound fertilizers; the drainage channel is positioned on the side close to the hillside; the soil blocking slope is positioned on the side far away from the hillside and formed by stacking soil replacement bags. The invention further discloses a vegetation restoration method of the discarded metal mine. The vegetation restoration method comprises the steps of finishing the mine slope of the discarded metal mine into the shape of the stair; building drainage ditches and channels; stacking the soil replacement bags; paving the lime layers, straws and soil displacement; planting trees resistant to acid and barren or pioneer herbaceous plants; and the like. According to the vegetation restoration method of the discarded metal mine, stream flows are effectively dredged to prevent acid water from polluting mine soil, oxygen consumption layer is established to effectively inhibit the oxidation of sulfide, therefore, soil acidity is reduced, polluted mine soil is repaired, and the effect of repairing the mine soil, restoring vegetation and greening and protecting the environment is achieved.

The embodiment of the invention discloses a protective circuit. The protective circuit comprises a transformer, wherein a secondary winding of the transformer is connected with a device 10; primary windings of the transformer are connected with an external connection line a and an external connection line b; a high-pass filtering device 30 is connected between the external connection line a and the primary winding c of the transformer; a high-pass filtering device 50 is connected between the external connection line b and the primary winding d; a protective device v1 and a protective device v2 are connected between the external connection line a and the external connection line b; an earth wire is arranged between the protective device v1 and the protective device v2; and the protective device v1 and the protective device v2 are positioned among the high-pass filtering device 30, the high-pass filtering device 50, the external connection line a and the external connection line b. The embodiment of the invention also discloses communication equipment with the protective circuit and a method for protecting the communication equipment. The protective circuit realizes low voltage protection through the high-pass filtering devices, realizes high voltage protection through the protective device v1 and the protective device v2, and can well protect the device on the secondary side of the transformer without labor maintenance.

The invention discloses a rule synchronous processing method. The method comprises the steps of setting a first monitoring thread for monitoring a rule server, wherein the first monitoring thread is used for receiving gray rule change information; after change information that a gray rule in the rule server is changed is received according to the first monitoring thread, regenerating rule configuration file information corresponding to the change information in a rule mode required by a gray system; and after the rule configuration file information is generated successfully, carrying out automatic starting, thereby enabling the rule configuration file information to take effect. The invention also discloses a rule synchronous processing system, the rule server and a gray server. The problem that in related technologies, after a gray release system makes a distribution rule of a rear end service server, the rule needs to be manually configured by operation and maintenance staff is solved. The gray rule in the rule server is automatically monitored by the monitoring thread, the artificial maintenance is avoided, and the user experience is improved.

The invention relates to a pretreating device of an online water quality analyzer. By adoption of the pretreating device, the problems in the prior art that a sampling control valve is easily damaged, a filter is more easily blocked, and the use place is limited by tap water are solved. The pretreating device comprises a water feeding pipe, a water discharging pipe, a primary filter, a precise filter, an ejector, a pipeline branch part, a normally closed electromagnetic valve, a first normally open electromagnetic valve and a second normally open electromagnetic valve; the water feeding pipe is connected with a first opening of the pipeline branch part by the primary filter; a second opening of the pipeline branch part is connected with a spraying nozzle of the ejector by the normally closed electromagnetic valve; a diffusion chamber of the ejector is connected with the water discharging pipe; a third opening of the pipeline branch part is connected with an inlet/outlet under a precise filter by the first normally opened electromagnetic valve; the inlet/outlet under the precise filter is also connected with a suction chamber of the ejector by the second normally open electromagnetic valve. The pretreating device has the beneficial effects that a water sample filtered by two stages can be supplied to the online water quality analyzer in real time, and separated automatic cleaning of two stages of filtering nets can be realized.

The invention provides a magnetic photocatalysis resource recycling type artificial adsorption floating bed which is formed by stacking a photocatalysis layer, a magnetic nitrogen removal adsorption layer and a magnetic phosphorus removal adsorption layer sequentially from top to bottom, wherein the photocatalysis layer suspends over the water surface; and the magnetic nitrogen removal adsorption layer and the magnetic phosphorus removal adsorption layer are immerged in the water surface. The magnetic photocatalysis resource recycling type artificial adsorption floating bed provided by the invention can be thrown for use simply and does not need artificial maintenance at ordinary times; the secondary function recovery can be realized through simple water flushing and sunlight exposure and secondary spraying; and the waste matrix material such as sludge and straw is prepared by the technical means such as exposure and ultrasonic dispersion without addition of any chemical raw materials which can cause secondary pollution, and new environmental pollution is avoided. The magnetic photocatalysis resource recycling type artificial adsorption floating bed has the advantages that the investment cost is low, secondary pollution is avoided, the resource utilization and green recycling of the industrial and agricultural wastes are realized by consuming the sludge of river channels.

The invention discloses an interface method of power-plant factory level monitoring information system and dispersion control system (SIS and DCS), which is characterized by the following: adapting EURO-4572 mode and Modbus serial port to connect protocol; making SIS system and DCS control system accomplish data communication. The invention can transmit the data of DCS control system to SIS/MIS system effectively, which guarantees the safety of DCS control system against the attack of hacker and virus.

A backwash self-cleaning ventilation device comprises a fresh air host arranged in a room and a filter box mounted outside the room. The filter box and the fresh air host are connected into a whole body through a connecting module, the indoor fresh air host comprises a screen shell body and a temperature probe, fan blades and a fan blade motor are mounted in the screen shell body, and the fan blade motor and the temperature probe are connected with a control system; the connecting module is a flange connecting part; the outdoor filter box comprises a protection screen box, a filter screen support is mounted in the protection screen box, a filter screen is mounted on the filter screen support, a cleaning brush and a brush motor are mounted in the protection screen box, the cleaning brush is in contact with the filter screen, and the brush motor is connected with the control system; and according to the scheme, use and mounting are easy and convenient, the device can be subject to self cleaning while the site required to be ventilated is provided with a filtering ventilation device, the cost spent by the situation that in the later period, maintaining of the ventilation device needs a large amount of manual work is removed, and the device is energy-saving and environment-friendly.

The invention discloses an apparatus and a method for realizing automatic optical fiber distribution. The apparatus comprises an optical fiber distribution frame. An optical fiber distribution disc, apolar coordinate robot and a front end controller are arranged in the optical fiber distribution frame. The front end controller receives a command from a background server. Through the polar coordinate robot, connector plugging and unplugging are automatically completed, connection between an input optical fiber and an output optical fiber is established, and opening of a required service is completed. The apparatus and the method have the advantages that manual maintenance is not needed and automatic distribution is performed; remote control is achieved; and when a service is opened, a worker does not need to go to the scene to plug and unplug a jump fiber and arrange a jump fiber cable, and background control can be performed to achieve the purpose.

The invention discloses a distributed close-range panoramic monitoring terminal and system for beach birds and a layout method. The system comprises a remote server and a plurality of monitoring terminals which are distributed according to a Voronoi diagram algorithm. Each monitoring terminal is responsible for photographing of recording rest and activity behaviors of the beach birds and caching captured images or videos. Each monitoring terminal directly uploads the captured images or videos to a wireless signal tower and the wireless tower transmits signals to the remote server, or each monitoring terminal sends the acquired images or videos to other monitoring terminals first and then the other monitoring terminals forward the signals to the wireless signal tower, and the wireless signal tower forwards the signals to the remote server. The close-range panoramic monitoring of beaches can be achieved with minimal impact on an environment.

The invention discloses a protective structure for preventing and controlling a riverway concave bank from being eroded. The protective structure comprises an overflow weir formed through double-layerinlaying, a protective arm and dam abutments formed by inlaying large dimension stones. The relatively higher protective arm is arranged on the concave bank side prone to erosion of a riverway, and the relatively low overflow weir is arranged at the center of the riverway, so that river water is centralized in the overflow weir and a protection-free convex bank to flow through a river bend, flowing of the river water close to the concave bank is retarded, the shear stress at the concave bank is reduced, silt at the concave bank is prevented from being eroded by the river water, meanwhile water level rise before the overflow weir is quick, a scour pit is formed behind the weir, pressure gradient is formed on a river bed due to water level difference, and surface water and underground waterexchange is promoted. Compared with a traditional method, the protective structure is low in cost and long in service life, can also prevent the concave bank from being eroded, promotes surface waterand underground water exchange, thus improves the self-cleaning capacity of the riverway, relieves riverway pollution and has a wide application prospect in the fields such as channel improvement ofriverway and mountainous area drainage basins.