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3054results about "Sewage draining" patented technology

System for purifying and delivering surface water to an aquifer

A system for purifying and delivering surface water from rain or snow-melt to the local aquifer in order to increase the local groundwater level, is disclosed. The system includes activated charcoal for removal of contaminants including per- and polyfluoroalkyl substances, commonly referred to as PFAS, from surface water prior to delivering the water to the aquifer.
Owner:CHITTOOR MADHVI

Efficient environment-friendly sewage treatment device and use method thereof

The invention relates to the technical field of sewage treatment, and discloses an efficient environment-friendly sewage treatment device and a using method thereof.The efficient environment-friendly sewage treatment device comprises a base, a motor is fixedly connected to the side wall of the base, and an output shaft of the motor is fixedly connected with a first gear. The liquid level of water is guaranteed to be lower than the center point of the supporting frame, then a power source of a motor is switched on, the motor drives a first gear ring to rotate through a first gear, the first gear ring drives a rolling pipe to roll along the inner wall of the supporting frame, and in the process, impurities floating on the liquid level make contact with the inner wall of the rolling pipe; and after the impurities with improved viscosity are in contact with the inner walls of the rolling pipe and the precipitation ring, the rotating rolling pipe and the precipitation ring intercept the floating impurities, so that the application of a filter screen is eliminated while the effective interception of the floating objects is realized, and the phenomenon that the filter screen is blocked after the equipment is used for a long time and the normal use of the equipment is influenced is avoided.
Owner:SICHUAN YANGZISEN ENVIRONMENTAL PROTECTION EQUIP CO LTD

Dynamic drainage system of municipal sewage pipe network and control method

The invention relates to the technical field of urban drainage management, and discloses a municipal sewage pipe network dynamic drainage system and a control method, and the system comprises a sewage pipe network, a central controller, a pump station, a valve and an edge control terminal; the control method comprises the following steps that real-time data are obtained from a plurality of sensors arranged in a sewage pipe network, the plurality of sensors comprise a flow sensor, a water level sensor, a pressure sensor and a rainfall sensor, and the obtained real-time data comprise the sewage flow, the water level, the pipeline pressure and the external rainfall inflow in the pipe network; based on the collected real-time data, dynamic hydraulic modeling is carried out on the sewage pipe network through a central controller, a mathematical model for describing the hydraulic state change of the pipe network is established, and the mathematical model comprises spatio-temporal evolution of flow, water level and pressure. According to the invention, by constructing a drainage scheduling mechanism based on real-time data modeling and edge control linkage, dynamic adjustment and stable control of the running state of the sewage pipe network are realized.
Owner:SUZHOU KAIDA MUNICIPAL LANDSCAPE CONSTR CO LTD

Water conservancy construction drainage device

The water conservancy construction drainage device comprises a slag collecting cylinder, an outer cylinder, an inner cylinder and a connecting cylinder, the inner cylinder is fixed to the top of the inner wall of the outer cylinder and coaxially arranged, the connecting cylinder is a circular truncated cone cavity and fixed to the bottom of the outer cylinder, the connecting cylinder is fixed to the top of the slag collecting cylinder, and spiral flow guide fins are arranged on the inner wall of the outer cylinder; a fixing ring is fixedly connected to the position, close to the top, of the surface of the outer cylinder, a water inlet is fixedly connected to the top of the fixing ring and is of a gradually-shrunk flow guide structure, one end of the water inlet extends into the outer cylinder in the tangential direction, and the bottom of the isolation cylinder communicates with a filter cylinder which is obliquely installed at the bottom of the isolation cylinder. One side in the filter cartridge is communicated with a sand collecting box, and a plurality of layers of self-adaptive filter screens are arranged in the filter cartridge. The drainage device for water conservancy construction relates to the technical field of water conservancy drainage, and can reduce blockage of the filter screen, improve the filtering effect, prevent fine silt from entering the pump body and ensure smooth drainage at the same time.
Owner:GANSU SHENGSHI WANYUAN CONSTRUCTION CO LTD

Modular porous swale

A modular porous swale. The modular porous swale may comprise a porous concrete block and filtration joint. The porous concrete block may snugly fit within a trench having a lower portion filled with an absorption media. The absorption media may include gravel, activated alumina, bone char, biochar, bone char and activated alumina mixture, and biochar and activated alumina mixture. The porous concrete block may have a top surface inwardly-sloped to a nadir. The filtration joint may be disposed within the porous concrete block and along the nadir. The liner may cover one or more sides of the porous concrete block. The perforated pipe may be located within the absorption media. The filtration joint may substantially align above a portion of the perforated pipe when the modular porous swale is installed within the trench.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Universal base plate with tabs

Fluid runoff systems, methods, and apparatus for processing fluid runoff are provided. In one implementation, a base plate for receiving an inlet casting at a drain basin may be provided. The base plate may include a flat surface with an aperture and an outside edge surrounding the flat surface; a raised lip may surround the outside edge and a flange may extend in a horizontal direction away from the raised lip. The flange may define a flat surface for an inlet casting. The base plate may further include one or more sets of tabs located on the underside of the plate. In another implementation, a fluid runoff system may comprise an inlet casting, a base plate, a drain basin, and a pipe. The base plate may include one or more sets of tabs for connecting with the drain basin.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Sewage treatment control system of sponge city

The invention relates to the technical field of sponge city sewage control, and discloses a sewage treatment control system of a sponge city. A rainwater collection module of the system obtains rainfall data and initial water quality parameters of rainwater collection points in real time; the pipe network monitoring module monitors water level and flow velocity data of key nodes of the drainage pipe network in real time; the reservoir state module monitors current water level and water quality change parameters of each reservoir in real time; the environment evaluation module receives the data, judges the environment state and generates an environment abnormal signal; the pipe network analysis module analyzes the pipe network sedimentation risk according to the signal and generates a sedimentation evaluation value; the reservoir analysis module analyzes the reservoir load according to the signal and generates a load evaluation value; and the decision control module performs sewage treatment strategy analysis and controls opening or closing of a tail end gate of the drainage pipe network in the target area according to an analysis result. The system can improve scientificity and efficiency of sewage treatment and rainwater regulation and storage of the sponge city.
Owner:GANSU CONSTR VOCATIONAL TECHNICAL COLLEGE

Sequencing batch storage and drainage sewage pipe network anti-deposition method and system

The invention relates to an anti-deposition method and system for a sequencing batch storage and drainage sewage pipe network. The method comprises the following steps: determining the highest allowable storage water level and the lowest allowable discharge water level of each sewage pump station according to an unfavorable overflow point and a leakage point in an upstream service range of each sewage pump station; according to the historical change rule of the flow of each sewage pumping station, determining a corresponding upstream discharge water quantity increase abrupt change point; according to the drainage path of each sewage pump station and the upstream drainage amount increase abrupt change point, determining the sequence of the water storage-drainage mode of each sewage pump station; according to the drainage path and the operation mode of each sewage pump station, adjusting the operation mode and the pumping and drainage flow of other sewage pump stations; and when each sewage pump station is in the water storage-drainage mode, monitoring the liquid level change in real time, and controlling the operation state of the corresponding lift pump according to the liquid level change of each sewage pump station, the corresponding highest allowable water storage level and the corresponding lowest allowable water discharge level. According to the invention, the pollutant collection and transfer efficiency can be effectively improved.
Owner:NORTH CHINA MUNICIPAL ENG DESIGN & RES INST

Agricultural small watershed integrated water and soil loss prevention and control method

The invention discloses an agricultural small-watershed integrated water and soil loss prevention and control method, which comprises the following steps of: performing source reduction in a slope cropland area with the gradient of more than 6 degrees to control a slope cropland erosion source so as to treat surface erosion and runoff expansion; process blocking and control are conducted from the middle upstream area to the middle downstream area, and sediment migration is blocked and the confluence speed is adjusted through linkage of the grading ditch system and the sedimentation and storage facility; tail end purification is carried out in a drainage basin outlet area, water quality is purified through ecological engineering measures, and a drainage basin outlet is stabilized; the technical problems that in the prior art, comprehensive prevention and control means starting from the whole drainage basin are lacked, traditional measures have obvious defects in the aspects of function coupling, space coordination and ecological restoration capacity, and the dual requirements of current agricultural green development and ecological environment protection are difficult to meet are solved.
Owner:BEIJING FORESTRY UNIVERSITY

A contaminated groundwater repair device and repair method

The present invention belongs to the field of groundwater remediation, and discloses a contaminated groundwater remediation device and a remediation method, which can effectively expand the remediation range and improve the remediation efficiency. The contaminated groundwater remediation device includes a horizontally arranged injection well, a horizontally arranged extraction well, a treatment device, an injection pump and an extraction pump, wherein the injection well is located above the extraction well; the extraction pump is located in the extraction well, the extraction pump is connected to the water inlet end of the treatment device, and the extraction pump is used to transport the contaminated groundwater in the extraction well to the treatment device; the injection pump is connected to the water outlet end of the treatment device, and the injection pump is used to inject the groundwater after the treatment device is repaired into the injection well.
Owner:JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI

Slope rainwater circulation system based on spongy rainwater utilization

The invention discloses a side slope rainwater circulation system based on spongy rainwater utilization, which relates to the technical field of side slope ecological engineering and comprises a water quality monitoring and grading module, a multi-stage water storage processing module, an intelligent irrigation decision module, a water source dispatching and distributing module and a drip irrigation execution module. According to the system, efficient utilization and accurate distribution of slope rainwater resources are achieved through the intelligent water source dispatching and distributing module, the system can dynamically select the optimal water source unit according to real-time water quality monitoring data and water use requests, reasonable distribution of the water resources is ensured through a grading response strategy, and the water resource utilization rate is improved. When the water consumption demand exceeds the available water consumption of a single water storage unit, the system can automatically generate a new water consumption request, water consumption interruption caused by insufficient water sources is avoided, meanwhile, by monitoring the water level of the water storage unit in real time and calculating the safety capacity margin, the system can effectively prevent and control the water level risk, and stable operation of the system is ensured.
Owner:SHENZHEN BINLU GARDEN

Urban intelligent drainage method and system

The invention discloses an urban intelligent drainage method and system, and relates to the technical field of business information, and the intelligent drainage management method comprises the following steps: dividing an underground pipe network into pipe sections and a plurality of node wells which are communicated with one another through the pipe sections according to a topological structure of the urban underground pipe network; obtaining the water level and the flow velocity of the pipe section, flowing to the node well, of the water flow through a sensor arranged in the node well, and calculating the flow of each pipe section according to the water level and the flow velocity; the working state of each pipe section is recognized according to the water level, the flow speed and the flow of each pipe section, when the working state of each pipe section is abnormal, the abnormity is automatically sensed and recognized, and accordingly, alarm is intelligently triggered, and a corresponding disposal instruction is sent out. According to the intelligent drainage management method provided by the invention, the leakage type can be accurately identified, the leakage property and position can be judged, an effective disposal instruction can be intelligently sent out, and the accuracy and the use effect of construction, management and maintenance of an urban drainage system can be greatly improved.
Owner:GUANGDONG YUNLU TECH CONSULTING SERVICE CO LTD

Nesting stormwater chamber endcaps

Consistent with disclosed embodiments, a stackable endcap of a chamber for holding and discharging stormwater may be provided. The stackable endcap may include an endcap body having a wall with a convex outer surface and a concave inner surface, the concave inner surface of the wall defining an interior volume of the stackable endcap; a substantially planar foot extending from a lower edge of the endcap body; and a protruding inner rim running along an inner edge of the endcap body. The stackable endcap may be configured to be stacked with at least one additional endcap such that at least one of the foot or the inner rim of the stackable endcap contacts the additional endcap while the wall of the endcap body is spaced apart from a wall of the additional endcap.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Stormwater management crate assembly with tapered columns and arched side panels

Stormwater management systems, methods, and apparatuses for containing and filtering runoff are provided. Disclosed embodiments may include a top plate and a bottom plate, the top plate including a first plurality of side panel attachments. Embodiments may include a plurality of support columns between the top plate and the bottom plate. Furthermore, disclosed embodiments may also include one or more arched side panels. Stormwater management crates may be arranged into an array and include side panels of variable heights. The array of stormwater management crates may be further wrapped in sediment impervious material and serve to restrict stormwater flow as part of a stormwater management system.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Water drainage method for hydraulic engineering construction

The invention relates to the technical field of drainage structures, in particular to a drainage method for hydraulic engineering construction. The system comprises a sedimentation module and a water collection module, the sedimentation module comprises a sedimentation tank, the water collection module comprises a water collection tank, a plurality of communication mechanisms are communicated between the sedimentation tank and the water collection tank, each communication mechanism comprises two communication holes formed in the side walls of the sedimentation tank and the water collection tank at the same height, and the communication holes in the side walls of the sedimentation tank are located in the lower portion of the sedimentation tank; according to the drainage method for hydraulic engineering construction, the sedimentation tank is used for settling silt in collected water, and then the interception mechanism is used for filtering suspended impurities mixed in the water; when suspended impurities are accumulated in the intercepting plate, the intercepting plate slides up and down in the communicating pipe, so that the filtering effect can be kept while the accumulated impurities are removed; in the process that water flows through the communicating pipe, the gravitational potential energy difference of water level change can prevent silt from blocking the intercepting plate, and the intercepting plate can prevent impurities from entering the water collecting tank.
Owner:SHANDONG YUNCHENG CHENGYUAN ENGINEERING CO LTD

Storm Water Storage System

The present invention is directed to a storm water storage system comprising:—a storm water collection well (1) having at least one inlet (2), (9) for storm water to enter the storm water collection well (1); and one or more outlets (3) for storm water to exit the storm water collection well (1);—one or more void channels (4) each having a bottom surface, an upper surface and side surfaces, wherein each void channel extends away from and is in fluid communication with at least one outlet (3) and has a width in the range of 20 cm to 200 cm;—a storm water buffer system (5) comprising man-made vitreous fibres (MMVF) bonded with a cured binder composition, wherein the storm water buffer system encloses and is in fluid communication with at least one side surface of the one or more void channels (4);—a lid (6) positioned on top of the storm water buffer system (5) such that the upper surface of the void channel is formed by the lid (6).
Owner:ROCKWOOL AS

Municipal rain and sewage diversion device and method

The invention discloses a municipal rainwater and sewage diversion device and method, and relates to the technical field of rainwater and sewage diversion, the municipal rainwater and sewage diversion device comprises a diversion box, an equipment box is fixedly mounted on the surface of the diversion box, a water inlet pipe penetrates through the top of the diversion box, and a sewage pipe fixedly penetrates through the surface of the diversion box; according to the municipal rainwater and sewage diversion device, a rotating shaft II rotates to drive a rotating shaft III to rotate through a rotating disc, at the moment, the rotating shaft II and the rotating shaft III rotate to drive a winch to rotate, and the water purification pipe fixedly penetrates through the bottom of the diversion box, a filter plate is fixedly installed on the inner wall of the diversion box, and a flow guide plate is fixedly installed on the inner wall of the diversion box. At the moment, the winch rotates to shred the garbage in the water, so that the garbage in the sewage is guided and shredded, solid wastes such as plastic bags, paper, cloth strips and leaves are effectively crushed into smaller particles, the blockage or abrasion of the solid wastes to the sewage treatment equipment is reduced, and the treatment efficiency of the equipment is improved.
Owner:许建国

Catch basin system and corresponding water drainage system

A catch basin system includes a first tube, a second tube, a basin, and an access port. The first tube is aligned along a first axis. The second tube is aligned along a second axis. The basin is disposed between opposing ends of the first and second tubes. The basin intersects the first and second tubes. The basin extends downward from the first and second tubes. The access port is aligned along a third axis. The access port is disposed above the basin. The access port is disposed between opposing ends of the first and second tubes. The access port intersects the first and second tubes. The access port extends upward from the first and second tubes. The access port is configured to provide access to the basin.
Owner:SHERWOOD ROBERT

Movable construction site water pumping device

The invention belongs to the technical field of movable type water pumping, and particularly relates to a movable type construction site water pumping device which comprises floating frames, shoe-shaped frames, pump carrying tables, amphibious moving mechanisms, a depth measuring type floating mechanism, a guiding type turbulence preventing mechanism and a water supply mechanism, the floating frames are arranged on the two sides of the shoe-shaped frames, and the pump carrying tables are arranged between the shoe-shaped frames; the amphibious moving mechanisms are arranged at the two ends of the shoe-shaped frame. According to the movable construction site water pumping device, the pump station can be transported to the center of a foundation pit area through the buoyancy moving structure, the placement position of a drainage pipeline is prevented from being changed for multiple times, and then accumulated water in a foundation pit can be continuously pumped by the pump station.
Owner:XUZHOU LITU SHENJIA MASCH TECH CO LTD

toilet

A vacuum toilet (600). The vacuum toilet comprises: a toilet bowl (601); a drain pipe valve compartment (602); a tank (603) coupled to the toilet bowl; and a vacuum generator (604) including a high pressure outlet (605) connected to the drain pipe valve compartment (602) and a low pressure outlet (606) connected to the tank (603). Also disclosed is a method of operating a vacuum toilet.
Owner:KOHLER CO(US)

A dispatching decision method and system suitable for integrated management of plant, network and river

The present invention discloses a scheduling decision method and system suitable for integrated management of plant, network and river, comprising: by collecting geographic information data, pipe network survey data, pump gate weir pool data, sewage treatment facilities and meteorological, hydrological and water quality monitoring data and other multi-factor data in the water receiving area of ​​the sewage treatment plant in the study area, constructing a "plant-station-network-river" integrated mechanism model of coupling surface runoff pollution module, pipe network confluence transmission module, river network confluence transmission module, sewage treatment plant, pump station and regulating reservoir and other engineering facility generalization modules, realizing the simulation of water quantity and water quality changes in the whole process of "rainfall-ground production, confluence-entering underground drainage pipe network-pump station, sewage treatment plant, regulating reservoir-entering river (lake) through outlet" and the coordinated control operation strategy of "plant-station-network-river".
Owner:CHINA THREE GORGES CORPORATION +1

Road drainage system after municipal transformation of road

The invention relates to the technical field of road drainage engineering, in particular to a road drainage system after municipal transformation of a road. The rainwater distribution condition after municipal transformation of the expressway is considered as a whole, the drainage structure is reasonably arranged to be effectively connected with a municipal drainage system, graded drainage is achieved, drainage pressure is reduced, and the rapid drainage requirement of municipal transformation of the expressway is met; the road drainage system is beneficial to reducing the pressure of a downstream drainage pipeline, reducing the specification of the drainage pipeline and reducing the engineering investment.
Owner:CCCC FIRST HIGHWAY CONSULTANTS CO LTD

Drainage management system based on data analysis

The invention relates to the technical field of drainage management, in particular to a drainage management system based on data analysis, which comprises a pipe network pressure monitoring module, a rainfall trend analysis module, a drainage facility management module, an underground water dynamic monitoring module and a maintenance priority scheduling module. According to the invention, the operation state of the drainage system is timely predicted and adjusted through comprehensive data analysis, the monitoring capability of pressure, rainfall, pump station state and underground water level is improved, the accurate real-time data processing capability allows the system to rapidly identify potential risk areas, the pump station flow and underground water management are optimized, and the system reliability is improved. The continuous tracking and real-time adjustment mechanism not only reduces the potential of system overload or equipment failure, but also reduces manual inspection errors and operation cost through scientific maintenance scheduling optimization, and meanwhile, can perform early warning at the early risk stage to ensure the stable operation of the drainage system, so that the safety of the drainage system is ensured. Therefore, the efficiency and reliability of urban drainage management are improved.
Owner:HUNAN KUANGCHU TECH CO LTD

Stormwater management crate assembly with tapered columns

Stormwater management systems, methods, and apparatus for containing and filtering runoff may be provided. In one implementation, a stormwater management crate for managing stormwater runoff may be provided. The stormwater management crate may include a top plate having a first plurality of support column attachments and one or more support column assemblies located below the top plate; the one or more support column assemblies being affixed to the top plate at the support column attachments. The stormwater management crate may further include a bottom plate having a second plurality of support column attachments located below the support column assemblies. Stormwater management crates may be arranged into an array and include side panels of variable heights. The array of stormwater management crates may be further wrapped in sediment impervious material and serve to restrict stormwater flow as part of a stormwater management system.
Owner:ADVANCED DRAINAGE SYSTEMS INC

Ecological restoration device for preventing and controlling water and soil loss

The invention belongs to the technical field of ecological restoration devices, and particularly relates to an ecological restoration device for preventing and controlling water and soil loss, which comprises a water guide planting module, the bottom end of the water guide planting module is inserted into the ground, the water guide planting module is used for guiding rainwater into deep soil or storing the rainwater, and a seed bag is arranged on the outer side of the water guide planting module; the sand blocking and water purifying module is arranged at the top end of the water guide planting module, the interior of the sand blocking and water purifying module communicates with the interior of the water guide planting module, and the sand blocking and water purifying module is used for blocking silt and purifying water; the rainfall collection module is arranged at the top end of the water guide planting module and communicates with the interior of the water guide planting module, the top end of the rainfall collection module is obliquely arranged, the peripheral height of the top end of the rainfall collection module is higher than the center height, and the rainfall collection module is used for guiding rainwater into the water guide planting module; and the irrigation cover top is arranged at the top end of the rainfall collection module and communicates with the water guide planting module. The ecological restoration method can meet the requirement for ecological restoration on the bare soil slope with serious water and soil loss.
Owner:BEIJING FORESTRY UNIVERSITY

Municipal road drainage mechanism

The invention provides a municipal road drainage mechanism, and relates to the field of municipal road drainage. A drainage cover is placed at the top of the drainage shell, waterproof electric cylinders are fixedly installed at the tops of the left side wall and the right side wall of the drainage shell, control connecting rods are telescopically hinged to the bottoms of the waterproof electric cylinders, anti-blocking scraping plates are symmetrically and slidably connected to the left side and the right side in the drainage shell, and the bottoms of the anti-blocking scraping plates are connected with the control connecting rods. Overflow baffles are slidably connected to the middles of the left inner wall and the right inner wall of the drainage shell, two blocking boxes are placed in the drainage shell, and two flow guide turbines are rotationally connected to the lower side in the drainage shell. The anti-blocking scraping plate is driven by the waterproof electric cylinder, sundries on the inner wall of the top of the drainage cover and the inner wall of the top of the drainage shell are cleaned through the transverse scraper, a drainage channel is prevented from being blocked, and the problems that traditional drainage is poor in rainwater gathering capacity during rainstorm, prone to being blocked by sundries, needing to be manually cleaned, not utilizing rainwater energy and causing resource waste are solved.
Owner:NINGXIA WEIHUA XINXING CONSTR CO LTD

Agricultural water-adaptive irrigation integrated device for arid region

The utility model discloses an arid region agricultural suitable water irrigation integrated device, which belongs to the technical field of hydraulic engineering, and comprises a water storage well, an open ditch and a blind ditch, the water storage well is provided with a water storage cavity, the water storage cavity is used for storing a water source, and a water level sensor and a water quality detection component are arranged in the water storage cavity; the open trenches are communicated with the water storage well, and the open trenches are all arranged on the earth surface; the blind ditches are communicated with the water storage well, and the blind ditches are all arranged in soil which is spaced from the earth surface by a certain distance. According to the agricultural water-adaptive irrigation integrated device for the arid region, the problems that in the prior art, in the farmland irrigation process, the collection and storage capacity is insufficient, and the water recycling degree is not high are solved, the purposes of recycling and efficient water saving are achieved through the integrated device, and the agricultural water-adaptive irrigation integrated device is simple in structure, remarkable in effect and suitable for wide popularization.
Owner:NANJING HYDRAULIC RES INST

Slope landscape covering soil sliding prevention protection structure and construction method

The invention relates to a slope landscape covering soil sliding prevention protection structure and a construction method thereof.The protection structure comprises a drainage layer arranged at the bottom of a covering soil layer, the drainage layer is provided with staggered water collecting grooves, and the water collecting grooves are collected into a vertical shaft; the vertical shaft is filled with permeable materials which are arranged in a layered manner and have different particle sizes and is connected to the drainage pipe through a waterproof joint. A reinforcing layer composed of reinforced concrete is laid on the surface of the slope, and through holes are formed in reinforcing units, so that water permeation and plant root growth are facilitated. The anchor rods penetrate into the overburden layer and are firmly combined with the reinforcing layer. An anchoring retaining wall is arranged on the side face of the slope, and drainage holes are formed in the wall face to reduce lateral pressure. A deformation sensor and a humidity sensor are installed in the overburden layer to monitor the slope state in real time. The construction method covers the whole process from preliminary slope leveling treatment to vegetation planting, the stability and safety of the slope are improved, restoration and beautification of the ecological environment are promoted, and the method is suitable for various types of slope projects.
Owner:POWER CHINA KUNMING ENG CORP LTD

Grounding resistance reducing device of oil-immersed transformer and using method of grounding resistance reducing device

According to the grounding resistance reducing device of the oil-immersed transformer and the using method of the grounding resistance reducing device, the grounding resistance reducing device is arranged on one side of a body of the oil-immersed transformer, the oil-immersed transformer is provided with a grounding wire, the grounding wire is connected with a grounding electrode inserted into the ground, and a resistance reducing device is arranged over the grounding electrode. The resistance reduction device comprises a rainwater collection pool located on the ground, a conductive material chamber arranged in the rainwater collection pool and a plurality of liquid distribution pipes communicated with the rainwater collection pool, the liquid distribution pipes are inserted underground and located around the grounding electrode, a plurality of liquid outlet holes facing the grounding electrode are formed in the liquid distribution pipes, and soil monitoring units are arranged on the lower portions of the liquid distribution pipes; a first automatic discharging valve is arranged on the lower portion of the rainwater collecting pool, a water level monitoring unit is arranged in the first automatic discharging valve, the first automatic discharging valve is provided with a liquid outlet located in the lower portion, and the upper portions of the liquid distribution pipes are all communicated with the liquid outlet. Rainwater in the rainwater collecting pool is discharged through the first automatic discharging valve, and the rainwater flows to the position near the grounding electrode through the multiple liquid distribution pipes, so that the conductivity of soil is improved.
Owner:LUBIAN ELECTRICAL CO LTD