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2860results about "Sewer pipelines" patented technology

Urban rainwater pipe network blockage risk early warning method and system based on edge calculation

The invention discloses an urban rainwater pipe network blockage risk early warning method and system based on edge calculation, and relates to the technical field of urban drainage monitoring. The problems that existing pipe network blockage detection lags behind, and the early warning precision is insufficient are solved. Dynamic hydraulic parameters and sediment migration state data of a pipe section are collected in real time through edge calculation equipment deployed at a pipe network node, the hydraulic state deviation rate is calculated, and the local blockage risk is rapidly recognized; when the deviation rate exceeds a threshold value, a dynamic sensing network is established by the trigger nodes, and a pipe network hydraulic topological relation is established by integrating the liquid level and flow velocity characteristics of the upstream and downstream nodes; executing distributed collaborative analysis based on the topological relation, identifying an abnormal attenuation area, calculating a sediment dynamic equilibrium index, and generating a blockage diagnosis parameter; and further combining real-time rainfall intensity to predict an overflowing capacity attenuation curve, generating a multi-stage early warning instruction according to an attenuation slope, and distributing the multi-stage early warning instruction to an operation and maintenance terminal, thereby realizing accurate early warning and active regulation and control of the blockage risk of the rainwater pipe network.
Owner:SHAANXI WATER CONSERVANCY & ELECTRIC POWER SURVEY & DESIGN INSTITUTE (GROUP) CO LTD

Drainage pipeline multi-parameter sensing trenchless repair dynamic regulation and control method and system

The invention discloses a drainage pipeline multi-parameter sensing trenchless repair dynamic regulation and control method and system. Through a fusion technology path of multi-source comprehensive data acquisition, edge calculation real-time cross validation of abnormity, pipeline state simulation analysis of defect levels, intelligent algorithm dynamic adjustment of repair parameters and geographic information visualization platform full-process monitoring, closed-loop management from abnormity identification to repair regulation and control is realized. A comprehensive data set is formed through multi-source data acquisition, an edge computing technology is utilized to quickly identify abnormities, a simulation technology is combined to evaluate the severity of defects, then process parameters are optimized and repaired based on defect levels, and a regulation and control instruction is generated through linkage of a visual platform and a pump station dispatching system. And finally, a pipeline repair and operation regulation and control scheme is formed through integration, and the repair effect and the system stability are ensured. According to the method, the pipeline abnormity processing accuracy and the repairing efficiency are remarkably improved, and a technical guarantee is provided for safe and stable operation of an urban drainage system.
Owner:HUNAN TUOFENG TECH CO LTD

Filtering anti-blocking structure of drainage pipe for road maintenance

The invention discloses a filtering anti-blocking structure of a drainage pipe for road maintenance, and relates to the technical field of sewage discharge. The filtering anti-blocking structure of the drainage pipe for road maintenance comprises a first pipeline, and the top of the first pipeline is fixedly connected with a first filtering mechanism. According to the filtering anti-blocking structure of the drainage pipe for road maintenance, sewage is preliminarily filtered by arranging the conical filtering cylinder, and the sewage is secondarily filtered by arranging the first filtering disc and the second filtering disc in a matched manner, so that the situation that a single filtering net is easily and instantly blocked by large-particle impurities is avoided, the pressure of post-stage filtering is reduced, and the filtering efficiency is improved. A limiting rotating ring block is arranged, a first driving motor is started, the limiting rotating ring block is finally driven to rotate through gear meshing, at the moment, a rotating ball continuously slides on the surface of the limiting rotating ring block, and a first spring is matched, so that a second fixing block periodically reciprocates; finally, the banister brush is promoted to clean the through holes of the conical filter cartridge, and the through holes are prevented from being blocked.
Owner:湖南晟通鑫茂环境科技有限公司

Trench drains with suspended grates

A strap-supported grate section in a surface-supported drain grate system includes a drain grate; at least one inner strapping member having a middle portion affixed on a top facing inner section of the drain grate; and two anchor strapping members, each of which has a middle portion that is affixed on a top facing edge of the drain grate. Outer portions of each anchor strapping member and outer portions of the inner strapping member are not affixed to the drain grate. The outer portions of the anchor strapping members and the inner strapping member are surface mountable on a surface adjacent to a drain structure in which the strap-supported grate section is inset to provide structural support for the strap-supported grate section.
Owner:MIDWEST DESIGN GRP

Discharging and preventing combined type embankment structure and construction method

The invention discloses a drainage and prevention combined type embankment structure and a construction method, and belongs to the technical field of water conservancy projects. The embankment structure comprises a base and a protection structure arranged on the base in a coherent mode, the protection structure is composed of main pipe piles and arc-shaped sheet piles which are arranged at intervals, and an embankment is divided into a backwater side and a waterside. Side edge and top consolidation bodies are formed at the bottoms of the main pipe piles through grouting of the auxiliary pipe piles and the miniature pipes so as to enhance bearing; the arc-shaped sheet piles are tightly connected with the main pipe piles through the connecting end plates, the cap beams, the locking opening pipes and the connecting bolts, and a sealing anti-seepage system is formed on the backwater side. Meanwhile, a water collecting and draining system is arranged in the main pipe pile, and water on the water facing side is allowed to be drained orderly through the water collecting holes, the graded gravel materials, the water collecting pipe and the drainage blind pipe. Through combination of'prevention 'and'drainage', the anti-seepage safety of the backwater side is ensured, seepage water is timely dredged to eliminate seepage pressure, damage to the structure caused by water pressure accumulation is avoided, and unification of stability and safety of the embankment structure is achieved.
Owner:ZHEJIANG TONGJI VOCATIONAL COLLEGE OF SCI & TECH +1

Self-cleaning drainage pipeline

ActiveCN224119682URealize automatic scrubbingAchieve continuous scrapingFatty/oily/floating substances removal devicesSewer cleaningWater flowStructural engineering
The utility model relates to the technical field of drainage pipelines, in particular to a self-cleaning drainage pipeline which comprises a pipeline body provided with a water inlet end and a water outlet end, a shell is arranged on the outer wall of the pipeline body, a filter plate is detachably connected in the shell, and a cleaning mechanism is arranged on the inner wall of the pipeline body. The cleaning mechanism comprises two lantern rings, the interiors of the two lantern rings are rotationally connected with a rotating shaft, the end, close to the filter plate, of the rotating shaft is fixedly connected with a brush plate abutting against the filter plate, the outer wall, close to the water inlet end, of the rotating shaft is fixedly connected with a plurality of paddles, and the outer wall of the rotating shaft is fixedly connected with a plurality of connecting rods; the paddle driven by water flow is linked with the rotating shaft to synchronously drive the brush plate and the spiral scraping plate to rotate, so that automatic brushing of the filter plate and continuous scraping of impurities on the inner wall of the pipeline are realized. External electric power or mechanical power is replaced with fluid kinetic energy, self-cleaning is completed under the condition of zero extra energy consumption, and filter plate pore blockage and pipe wall sediment accumulation are effectively avoided.
Owner:SHANGHAI LIANCHUANG DESIGN GRP CO LTD

Road slope earth shoulder drainage system

The utility model discloses a road slope earth shoulder drainage system which comprises a water outlet piece, an earth shoulder vertical curb water blocking belt, a transverse drainage pipe assembly, a longitudinal drainage pipe and a base. The water outlet piece and the earth shoulder vertical curb water blocking belt are arranged on the edge of a highway pavement and used for collecting water in a centralized mode. The base is embedded in a side slope; the longitudinal drainage pipe is arranged on the base, and the longitudinal drainage pipe is longitudinally arranged in the advancing direction of a road; one end of the transverse drainage pipe assembly is connected with the water outlet piece and the earth shoulder vertical curb water blocking belt, and the other end of the transverse drainage pipe assembly is connected with the longitudinal drainage pipe. The longitudinal drainage pipe is provided with a plurality of sections, and the plurality of sections of the longitudinal drainage pipe are communicated with one another and finally communicated to a rain sewage outlet point. The drainage ditch is suitable for the conditions that drainage of a highway embankment drainage ditch arranged by utilizing gravity flow is unsmooth, natural water systems on the ground surface are deficient or land use is limited and the like; according to the utility model, fewer water outlet points of a natural water system can be reasonably utilized to form a complete drainage system.
Owner:HARBOUR ENG DESIGNING INST CO LTD CCCC FOURTH HARBOR ENG G

Sewage cleaning and distributing device for rain sewage pipe network

The utility model provides a rain sewage pipe network clean-up shunting device which comprises a shunting box and a box cover, an adjusting plate is movably installed in the shunting box through a driving mechanism, first rubber strips are symmetrically and fixedly arranged at the two ends of the adjusting plate, and a first filter screen and a second filter screen are symmetrically and fixedly arranged on one side of the adjusting plate. Impurities in front-section rainwater and sewage can be filtered through a first filter screen and a second filter screen, when the amount of rainwater is large, the water level in the device is detected through a water level gauge, and an adjusting plate is rotationally adjusted through a servo motor and a shaft rod, so that the adjusting plate can seal the top of a blow-off pipe, and the top of the blow-off pipe is prevented from being blocked. Middle-section rainwater can be conveniently discharged into a river channel through the adjusting plate and the rainwater pipe, and rainwater and sewage can be separated; and the sundries can be moved to the upper end of the device through an adjusting plate, a first filter screen and a second filter screen, so that the sundries can be conveniently cleaned by opening the box cover, and the practicability is high.
Owner:JINGMEN MUNICIPAL LANDSCAPE DESIGN & RES INST

Water delivery pipeline inverted siphon device capable of automatically flushing and discharging sludge

The utility model discloses a water delivery pipeline inverted siphon device capable of automatically flushing and discharging sludge, which is characterized in that an air compression device is arranged in a water inlet equipment well, an air flushing valve is arranged behind the air compression device, the other side of the air flushing valve is connected with an air flushing pipe, and the air flushing pipe penetrates through the water inlet equipment well and then extends to the bottom of a water inlet of a descending pipe; the air flushing pipe is communicated with the bottom of the parallel pipe through an inclined tee joint at a certain distance, is communicated with the bottom of the sludge hopper through a regular tee joint, is communicated with the bottom of the ascending pipe through a regular tee joint at a certain distance, and is provided with an adding ring at the tail end of the regular tee joint, and an air outlet hole is formed in the adding ring. The device can automatically flush and discharge sludge according to the deposition degree of the water conveying pipeline, sludge deposited at the bottom of the inverted siphon pipe is flushed into the sludge hopper through compressed air, and then the sludge deposited at the bottom of the sludge hopper is lifted to a sludge discharge wet well through the compressed air and then discharged out of the system.
Owner:CHINA POWER CONSTR GRP ARCHITECTURAL PLANNING & DESIGN INST CO LTD +1

Terrace type debris flow gully slope protection structure

The invention relates to a debris flow gully slope protection structure, and relates to the technical field of water conservancy projects. Multi-stage counter-slope terraces are arranged on the slope surface of the debris flow gully slope from the bottom end to the top end, each terrace structure comprises a terrace surface, ridges and a terrace ditch which are arranged upwards at intervals along a contour line, each layer of counter-slope terrace is separated by using a mortar rubble retaining wall as the ridge, the terrace surface is covered with soil by using a slope native soil layer, and the terrace ditch is connected with the ridge of the next stage of terrace by adopting a mortar rubble material. The field surface has a reverse slope inclination angle of 5-10 degrees, and crops can be planted on the field surface. The field ditches are communicated with main drainage ditches on the two sides of the terrace along the contour line downwards, and metal gates are arranged at the joints to control water flow, are closed when water storage is needed and are opened when water drainage is needed. The structure can effectively reduce the material, construction and maintenance cost, has high debris flow resistance, can stabilize the debris flow channel slope, reduces the water and soil loss of the slope, plays a role in terrace water storage and drainage, and further protects and promotes the growth of crops.
Owner:邹丰翼

River ecological protection slope

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.
Owner:YANCHENG WATER CONSERVANCY RECONNAISSANCE DESIGN INST

Artificial rainwater collection irrigation method for broken hillside cultivated land in stony desertification area

An artificial rainwater collection irrigation method for broken hillside cultivated land in a stony desertification area comprises the steps that data such as broken bed rock surface trend and cultivated land distribution are measured in the field; calculating some important parameters by analyzing multi-year meteorological data: the mode of the number of rainwater collection cycles every year, the mode of rainfall in a rainfall period, the mode of illumination duration in an illumination period and the mode of single rainfall intensity; an artificial rainwater collecting surface is arranged, the material, the structure and the angle of the artificial rainwater collecting surface all have certain particularity, a confluence system is constructed, a low-position water collecting pool and a high-position water storage pool form an irrigation system, and the rainwater collecting area, the inner diameter of a confluence pipe, the storage battery capacitance, the photovoltaic panel area and the water pump power are calculated based on the important parameters; rainwater is collected in the main rainfall period in one year, and irrigation is conducted in the dry season. The system is particularly suitable for irrigation of broken hillside cultivated land in a stony desertification area with poor lithiasis ditch integrity, and irrigation requirements, a water collecting surface, a confluence path, a water collecting pool, a water storage tank and light energy can be integrally matched.
Owner:GUIZHOU NORMAL UNIVERSITY

Water-deficient city rainwater runoff sewage disposal and diversion method and system

The invention relates to the technical field of urban rainwater management, in particular to a water-deficient urban rainwater runoff sewage disposal and diversion method and a water-deficient urban rainwater runoff sewage disposal and diversion system. Obtaining an easily-ponding road section distribution map and a rainwater pipe network distribution map, and determining a deposition risk pipeline section; determining an initial interception index according to the rainfall data; determining a starting shear stress according to the continuous rain-free duration; effective shear stress in the pipeline is calculated in the flow dividing stage; when the effective shear stress is not smaller than the starting shear stress, the pollution propagation speed is calculated; according to the pollution propagation speed, calculating the prediction time of the pollutants reaching the shunting node; and when the predicted time and the pollution propagation speed meet the requirements, guiding the rainwater runoff into a sewage treatment path. According to the method, the moving process of the lag pollution peak is dynamically tracked and predicted through the double monitoring points, and the rainwater resource utilization rate is increased.
Owner:SHENZHEN ACAD OF ENVIRONMENTAL SCI

Expansive soil slope reinforcing structure based on foam concrete

The invention relates to the technical field of geotechnical engineering and slope reinforcement, and discloses a foam concrete-based expansive soil slope reinforcement structure which comprises a slope body and a foam concrete prefabricated reinforcement assembly mounted on the slope body through anchor rods, and the reinforcement assembly comprises a first reinforcement layer and a second reinforcement layer which are sequentially arranged on the slope surface of the slope body; the first reinforcing layer comprises a plurality of first reinforcing units arranged in the length direction of the slope body. By means of the double-layer design of the first reinforcing layer and the second reinforcing layer, the first prefabricated slab is longitudinally connected in an inserted mode through a dovetail or T-shaped tenon-and-mortise structure to achieve seamless attachment, the second prefabricated slab presses and covers tenon-and-mortise joints and is clamped and locked through the annular connecting piece, a latticed system of transverse restraining and longitudinal locking is formed, the structure can resist volume expansion of expansive soil by 30% or above, and the expansive soil is not prone to deformation. A soil body loss channel is effectively blocked, and the linkage problem of loosening-cavity-instability of a traditional prefabricated part is solved.
Owner:CHINA MCC17 GRP CO LTD

Anti-seepage construction process for rainwater pipeline of extra-high voltage converter station in collapsible loess area

The invention provides a collapsible loess area extra-high voltage converter station rainwater pipeline anti-seepage construction technology, and relates to the field of rainwater pipeline construction.The collapsible loess area extra-high voltage converter station rainwater pipeline anti-seepage construction technology comprises a pipeline groove, the pipeline groove is formed in a collapsible loess foundation near an extra-high voltage converter station, and a lime soil cushion layer is laid on the bottom side of the interior of the pipeline groove; and a concrete strip-shaped foundation layer is poured at the upper part of the lime soil cushion layer. A collapsible loess foundation in a pipeline laying area is reinforced through a dynamic compaction method, collapsibility of foundation soil is eliminated, a lime soil cushion layer is laid on the bottom side in a pipeline groove, layering compaction is carried out, a waterproof partition layer is formed, the anti-seepage effect of the pipeline laying area is improved, and the operation safety of the extra-high voltage converter station is improved; the problems that in traditional extra-high voltage converter station rainwater pipeline construction, due to the fact that collapsible loess characteristics are not fully considered, anti-seepage measures are insufficient, foundation collapsing is likely to be caused, and the operation safety of an extra-high voltage converter station is affected are solved.
Owner:SHANGHAI POWER CONSTR ENG CO +1

Rainwater collecting device of box-type house

The utility model relates to the technical field of rainwater collection, in particular to a rainwater collection device of a box-type house, which comprises a box-type house main body, a filtering water tank, a sterilizing water tank and a water storage tank, a water collection plate is arranged at the top of the box-type house main body, and rainwater baffles are arranged on two sides of the water collection plate; a water collecting tank is arranged on the top of one side of the box-type house body, the top of the water collecting tank is an inclined face, and a filter screen is arranged on the inclined face. A water conveying pipe is connected to the lower portion of the water collecting tank and connected with a sand discharging pipe and a first water inlet pipe, a sand discharging valve is arranged on the sand discharging pipe, the first water inlet pipe is connected with the filtering water tank, an overflow pipe is arranged on the upper portion of the first water inlet pipe, and the filtering water tank is connected with the disinfection water tank through a second water inlet pipe. The disinfection water tank is connected with the water storage tank through a third water inlet pipe. According to the device, impurities such as gravel and soil contained in collected rainwater can be effectively removed, and the cleanliness of the collected rainwater is improved.
Owner:DACHANG HUI AUTONOMOUS COUNTY YANDA COLOR STEEL STRUCTURE CO LTD

Sewage pipeline capable of preventing clogging at bending part

The utility model discloses a sewage pipeline capable of preventing clogging at a bending position, and particularly relates to the technical field of clogging prevention devices, the sewage pipeline comprises a first water pipe, one end of the first water pipe is fixedly connected with a bent pipe, one end of the bent pipe is fixedly connected with a second water pipe, a cleaning mechanism is arranged in the bent pipe, and a water spraying assembly is arranged in the cleaning mechanism. And the cleaning mechanism comprises a rotating shell, rotating columns are fixedly connected to the two sides of the rotating shell, one end of each rotating column is rotationally connected with the bent pipe, and a plurality of scraping plates are fixedly connected to the surface of the rotating shell. According to the utility model, impurities deposited on the elbow pipe can be dredged regardless of the water flow, the pipe wall can be effectively scraped, sludge and solid impurities such as fibers and hairs attached to the pipe wall can be scraped off, the scraper and the interior of the pipeline body can be scoured, and the sludge scraped off by the scraper can be timely flushed away; and the device goes deep into gaps and corners which are difficult to touch by the scraper blade, so that fine particles and viscous substances are dispersed.
Owner:ZHONGTAI TIANSHUN GROUP CO LTD

Fabricated green and environment-friendly slope protection structure

The utility model relates to the technical field of slope reinforcement and ecological environmental protection, in particular to an assembly type environment-friendly slope protection structure which comprises a plurality of protection units capable of being spliced. The slope protection device is characterized in that each protection unit comprises a grid layer of a natural fiber net structure, a supporting layer of a water-permeable structure located below the grid layer and an anchoring device used for fixing the grid layer and the supporting layer to the slope surface; a plurality of grids are distributed on the grid layer in an array mode, grid holes used for planting plants are formed in the grids, and through holes corresponding to the grid holes are formed in the supporting layer. Longitudinal drainage channels are formed between the left and right adjacent grids. Ecological environmental protection can be effectively enhanced, the stability of the slope protection structure is improved, and efficient drainage is guaranteed.
Owner:HEBEI UNIV OF TECH

Drainage system with anti-backflow and timely drainage functions

The drainage system comprises a first gate shaft, a second gate shaft and a third gate shaft which are connected in sequence, the upstream side of the first gate shaft is connected with a rainwater convergence connector, the downstream side of the first gate shaft is connected with an inlet of the second gate shaft through a first gate, and the inlet of the second gate shaft is provided with a duckbill valve; water in the second gate shaft is prevented from entering the first gate shaft; the upstream side of the third gate shaft is connected with the second gate shaft through a second gate, and the downstream side is connected with a first sea drainage pipeline through a third gate and used for draining rainwater when the sea surface height is normal. The bottom of the third gate shaft is connected with a second sea discharging pipeline below the third gate shaft through a fourth gate. An upper water storage tank and a lower water storage tank are arranged at the position, lower than the normal water level of the sea surface, of the shore of the land area, the two water storage tanks are detachably communicated, a bottom outlet of the second sea drainage pipeline is connected with the upper water storage tank, and when the sea surface is at the extremely high water level, the third gate shaft drains rainwater into the two water storage tanks through the second sea drainage pipeline.
Owner:CHINA COMM CONSTR FIRST HARBOR CONSULTANTS

Ecological protection construction method for high-filling side slope

The invention provides a high-filling slope ecological protection construction method, and relates to the technical field of slope protection engineering. The construction method comprises the following implementation steps: step 1, slope pretreatment; the method comprises the following steps: firstly, shaping and trimming a high-filled side slope, cleaning surface topsoil, gravels and weeds, and synchronously presetting a through-type drainage system at the top, the waist and the toe of the side slope; comprising the four steps of anchor rod laying, grouting and anchoring, lattice beam pouring and geogrid laying, specifically, drilling is conducted on the trimmed slope surface of the side slope, anchor rods are laid, lattice beams fixedly connected with the anchor rods are formed through pouring, then the geogrids are flatly laid in the coverage area of the lattice beams, and double fixing is completed. The anti-sliding stability of the slope body is enhanced, the geogrids can disperse the load of the slope body, the shear strength of the surface soil body of the slope is improved, the overall stability of the high-filled slope is remarkably improved, and geological disasters such as landslide and collapse of the slope are effectively prevented.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

Anti-seepage device for joint position of basement outer wall

The invention provides a basement outer wall joint position anti-seepage device which comprises basement outer walls and further comprises an elastic rubber water stop piece arranged between the basement outer walls and used for covering a joint and compensating deformation of the joint. The strip-shaped fixing piece is used for fixing the elastic rubber water stop piece on a base layer on one side of a joint through a fastener; a water collecting opening of the funnel-shaped water collector faces the elastic rubber water stop piece; the drainage pipe is connected with a water outlet of the funnel-shaped water collector; the elastic rubber water stop piece, the strip-shaped fixing piece and the funnel-shaped water collector are connected into an integral prefabricated assembly in a bonding mode. According to the waterproof structure, the fundamental problems of'stopping but not draining and only blocking but not dredging 'in a traditional basement outer wall joint waterproof technology are solved, and the industrial defects that an existing water stop belt is difficult to adapt to joint deformation and prone to failure and tearing, and a waterproof layer is damaged due to water pressure accumulation caused by the fact that leaked water cannot be actively guided and drained are effectively overcome.
Owner:CHINA CONSTR FOURTH BUREAU FOURTH CONSTR ENG

Sand-avoiding anti-blocking gutter inlet device suitable for desert photovoltaic and wind power bases

The invention discloses a sand-avoiding anti-blocking gutter inlet device suitable for desert photovoltaic and wind power bases. Comprising a rain grate, a well body, a well chamber and a gutter inlet pipe, the structure is characterized in that: (1) the gutter inlet pipe is an upper sand-avoiding gutter inlet pipe which is arranged at the upper part of the side wall of the well body and can avoid desilting at the lower part of the well chamber; a sand blocking groove capable of blocking rain and sand from flowing into the well chamber is additionally formed in the outer wall of the well body; (3) the rain grate is a sand blocking and shielding type rain grate; (4) a hand-held well container is arranged in the well chamber, and a hand-held groove container is arranged in the sand blocking groove, so that wet sand, seedlings and grass are convenient to clean; and (5) a rat-proof and mosquito-repellent valve is arranged on the sand blocking groove. The invention has the advantages that: (1) wind sand and rain sand can be prevented from flowing into a well chamber and a rainwater pipe network to possibly cause waterlogging to erode power generation equipment; (2) the water collection effect can be improved; mice and mosquitoes can be prevented from going in and out of the well chamber to propagate and spread diseases. The sand-avoiding anti-blocking gutter inlet device serves as a starting part of a rainwater pipe network and is suitable for being used when rainwater collecting facilities are built and the rainwater pipe network is laid in desert photovoltaic and wind power bases.
Owner:陈卓 +1

Early warning method for blocking risk of rainwater collection pipe network

The invention provides a rainwater collection pipe network blockage risk early warning method, which comprises the steps of collecting multi-point flow and environmental parameter data, fusing water level and rainfall intensity, and realizing unified processing of multi-source data through timestamp alignment and mean filtering; using an empirical mode decomposition algorithm to decompose the flow time sequence data into trend, period and high-frequency fluctuation components, and identifying abnormal segments through sliding window energy calculation and dynamic threshold gating; according to the method, the change point detection algorithm and the Gaussian mixture model are combined, energy accumulation sudden change and trend attenuation are verified in a layered mode, and then structured early-stage blockage risk early warning is generated, the accuracy and timeliness of anomaly detection are effectively improved, the pipe network blockage supervision and maintenance cost can be reduced, and the operation reliability of an urban drainage system is enhanced.
Owner:GUANGDONG XIHAI SEWERAGE ENVIRONMENTAL TECH CO LTD

Drainage device with filtering function

The drainage device with the filtering function comprises a flow guide pipe, the rear surface of the flow guide pipe is fixedly connected with a separation pipe, the rear surface of the flow guide pipe is provided with three sliding grooves, the inner surfaces of the three sliding grooves are connected with sliding blocks in a sliding mode, the rear surfaces of the sliding blocks are fixedly connected with adjusting rings, and the adjusting rings are connected with the separation pipe. A matching groove is formed in the outer surface of the adjusting ring, a belt is rotatably connected to the inner surface of the matching groove, an adjusting motor is fixedly connected to the outer surface of the flow guide pipe, a rotating column is fixedly connected to the output end of the adjusting motor, and a driving belt wheel is fixedly connected to the rear surface of the rotating column; and the outer surface of the driving belt wheel is rotationally connected with the belt. The motor is adjusted to drive the belt to drive the adjusting ring, the inclination angle of the guide plate is increased, the water flow speed is increased, water accumulation caused by unsmooth drainage is avoided, and when the water flow is small, the inclination angle of the guide plate can be reduced, so that the water flow flows more stably, and the drainage efficiency is improved.
Owner:CHAOYANG HONGTAI CONSTR ENG MANAGEMENT CO LTD

Road non-motor lane rainwater inlet drainage device

This invention discloses a storm drain device for non-motorized vehicle lanes, relating to the field of municipal engineering technology. It aims to solve the problems of limited drainage area, easy blockage by lightweight debris, high maintenance and cleaning difficulties, and high maintenance costs associated with commonly used combined storm drains in existing technologies. The technical solution adopted is that the storm drain grate is connected to the storm drain well. The storm drain grate includes a main drainage grate, an auxiliary drainage grate, and a sludge removal grate. The main drainage grate, auxiliary drainage grate, and sludge removal grate correspond to the positions of the non-motorized vehicle lane surface, the curb, and the sidewalk, respectively. Through a multi-outlet water collection design, the total drainage area of ​​a single set of storm drains is significantly expanded, accelerating the stormwater runoff speed on the non-motorized vehicle lane surface and reducing water accumulation at the source. Furthermore, the height of the auxiliary drainage outlet matches the curb, and the spacing is consistent with the main drainage outlet, complying with municipal road construction specifications and requiring no changes to the original road foundation structure.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

Retaining wall structure

The application relates to the technical field of riverway engineering, in particular to a retaining wall structure, which comprises a retaining wall body, a drainage plate group and a drainage pipe. The retaining wall body comprises a bottom structure and a side structure, the bottom structure is connected with the bottom of the side structure, and the side structure and the bottom structure jointly define a backfill space for accommodating filling soil. The drainage plate group comprises a first drainage plate and a second drainage plate, the first drainage plate is arranged between the side structure and the backfill space, and the second drainage plate is arranged between the bottom structure and the backfill space. A water passing gap is formed between the first drainage plate and the side structure. The drainage pipe is arranged on the side structure. The retaining wall body forms a stable backfill space through the bottom structure and the side structure, provides reliable support for the filling soil, guarantees the bearing capacity of the retaining wall foundation, the first drainage plate and the second drainage plate are arranged correspondingly at the bottom structure and the side structure, double drainage coverage of the bottom and the side of the backfill space is realized, and the water passing gap and the drainage pipe are matched to build a complete drainage path.
Owner:赵立财

Anti-overloading new energy buried box-type substation

The invention belongs to the technical field of buried box-type substations, and particularly relates to an anti-overload new energy buried box-type substation, which comprises a buried shell, an anti-overload new energy distribution box connected to the side wall of the buried shell through a lifting assembly, and a raft plate arranged below the buried shell, and a plurality of polyurethane elastic cushions are fixedly connected between the raft plate and the buried shell. Soil pressure borne by the box body can be dispersed by means of the raft plate, uneven stress generated by soil settlement is buffered and absorbed by means of the buffering deformation characteristic of the polyurethane elastic cushion, the connecting stability of the box body and a foundation is enhanced through the supporting piles, and the problems of box body deformation and cracking and equipment connecting structure damage caused by soil settlement are effectively avoided; and the adjusting cylinder, the adjusting bolt and the supporting seat are additionally arranged between the buried shell and the raft, the height of the buried shell is accurately adjusted through the adjusting bolt, flexible correction of the levelness of the box body is achieved, and long-term stable operation of equipment is guaranteed.
Owner:JIANGSU BEICHEN HUBANG ELECTRIC POWER CO LTD

Sewage pipeline structure and maintenance method

The invention relates to the technical field of municipal drainage pipelines, in particular to a sewage pipeline structure and a maintenance method.The sewage pipeline structure comprises a pipe body, a first connecting end, a second connecting end, an elastic sealing ring and a locking mechanism, the elastic sealing ring is arranged in an annular groove of the connecting end and provided with a corrugated protrusion and a flow guide groove, and the locking mechanism comprises a locking ring and a locking sleeve; a guide structure, an elastic buckle array and a pressure color-changing anti-skid gasket are arranged; a guide plate with a pressure sensor is arranged in the pipe body, and a reinforcing rib with an access hole is arranged on the outer wall. Reliable sealing, operation state monitoring and convenient overhauling can be achieved, and the safety and maintenance efficiency of a sewage pipeline system are effectively improved.
Owner:GUANGDONG YANGGANG CONSTR ENG CO LTD

Movable discharging device for ditch pouring

The utility model provides a movable discharging device for ditch pouring, which comprises a support frame, a movable discharging device and a movable discharging device, wherein a sliding cavity is formed in the support frame; the two moving frames are arranged at the two ends of the supporting frame correspondingly, and one ends of the two moving frames are slidably connected to the inner side face of the sliding cavity; and the two discharging frames are fixedly mounted at the bottoms of the two moving frames correspondingly. According to the movable discharging device for ditch pouring, through mutual cooperation of the supporting frame, the movable frame, the discharging frame, the material guiding frame and other structures, when a ditch is poured, concrete can be guided, the concrete enters molds on the two sides of the ditch, the concrete is prevented from falling into the middle of the ditch, and the pouring quality of the ditch is improved. And subsequent manual cleaning is needed, so that the construction efficiency is improved, and waste of construction materials is avoided.
Owner:CCCC (CHANGSHA) CONSTR CO LTD