34results about How to "Reduce waterlogging" patented technology

The invention discloses a port rainfall runoff simulation and waterlogging forecasting method and system based on an SWMM, so as to help to improve the drainage capacity of a port area and reduce flood disasters, and the method comprises the following steps: 1, dividing simulation area sub catchment areas by using a Thiessen polygon method in ArcGIS, adjusting according to actual conditions, and exporting as an inp format; 2, setting basic parameters of the SWMM, such as rainfall recurrence period, sub catchment area parameters and the like; the SWMM model is operated, and nodes and pipe channels which are prone to overload are recognized; 3, the rainfall recurrence period is adjusted, and the maximum bearable rainfall intensity of the area is determined; and 4, LID facilities are selected for layout, an optimization algorithm is used for solving to obtain an optimal solution, and the waterlogging problem is relieved or solved. According to the method, the dynamic rainfall process is simulated based on the SWMM model, the waterlogging risks in different rainfall recurrence periods are evaluated, the waterlogging is relieved by optimally arranging the LID facilities, and support is provided for optimal management of a port drainage system.

The invention belongs to the field of municipal drainage, and particularly relates to an underground space structure serving as an emergency regulation and storage space for excessive rainwater. In a normal state, the water inlet channel is normally closed, the special waterproof door is unobstructed, and the rain sewage regeneration module operates normally. During waterlogging, people and vehicles are emptied, the special waterproof door is closed, and the emergency regulation and storage space is used for regulating and storing rainwater. The system comprises a vertical stacking type module and a transverse stacking type module, and comprises a rainwater treatment module, a sewage treatment module, a regulating reservoir module, a drainage pumping station module and the like. The special waterproof door comprises a main door, an auxiliary door, a transition cabin and the like. The outside is communicated with a water inlet closed conduit, comprises a rain gauge and the like, and is controlled by a hydraulic discharge gate and the like. The system further comprises a control system which can switch idle, water inlet, water storage and water drainage modes according to different rainfall conditions, and linkage control over all the devices is achieved. The urban inland inundation can be effectively handled, and reasonable regulation, storage and utilization of rainwater are achieved.

The invention discloses a sewage interception type vertical gutter inlet, which belongs to the field of gutter inlets, and comprises a base fixed at the top end of a well chamber, a top cover arranged on the base in an opening and closing manner, a water inlet grate arranged on one side of the base, and an active sewage interception mechanism, the active sewage intercepting mechanism comprises a telescopic sewage clamping unit arranged at the bottom end of the base and a water-driven sewage crushing unit linked with the telescopic sewage clamping unit, and a sewage collecting basket is hung below the telescopic sewage clamping unit. According to the sewage interception type vertical gutter inlet with the structure, by arranging the active sewage interception mechanism, pollutants blocked to the water inlet grate side can be clamped, smashed and collected, blockage caused by the fact that the pollutants are accumulated to the water inlet is avoided, and therefore urban waterlogging is effectively relieved.

This invention provides a construction method for an ecological open channel system in urban streets and alleys, including steps such as constructing a sedimentation and filtration system, constructing a rainwater and sewage diversion system, and constructing a water resource collection system. This invention can achieve multiple benefits, including reducing urban flooding, improving the urban microclimate, and enhancing the urban landscape.

The utility model discloses a municipal road rainwater flow guiding device which comprises land and a fixing frame, a cover plate is detachably arranged in the fixing frame, a flow guiding square pipe is fixedly connected to the lower portion of the cover plate, an installation block is fixedly installed on the inner wall of the flow guiding square pipe, a rotating rod is rotatably installed on the installation block, an impeller is fixedly arranged outside the rotating rod in a sleeved mode, and the impeller is fixedly connected with the cover plate. A first bevel gear is fixedly mounted on one side of the rotating rod, a second bevel gear is meshed with one side of the first bevel gear, a connecting rod is fixedly connected to the upper end of the second bevel gear, a gear is fixedly mounted on the connecting rod, and an incomplete gear is meshed with one side of the gear. According to the municipal road water accumulation prevention device, the impeller is matched with the rotating rod, the first bevel gear, the second bevel gear, the incomplete gear and the gear to drive the driving lever to rotate, so that the driving lever pushes away large garbage such as large branches or plastic bags accumulated on the cover plate, and the water accumulation condition of municipal roads is reduced.

The utility model relates to the technical field of appliance cleaning, in particular to a material barrel cleaning device which comprises an outer frame body, a cleaning table plate, a supporting column used for supporting the cleaning table plate and a flow guide supporting column used for being communicated with an external drainage system, a plurality of spraying heads used for spraying cleaning water are arranged on the outer frame body in a sliding mode, and the spraying heads are arranged on the outer frame body in a sliding mode. Any spraying head is arranged above the cleaning table plate, the cleaning table plate inclines towards the upper right relative to the horizontal plane, a drainage hole is formed in the lower end of the left side of the cleaning table plate, the interior of the flow guide supporting column is communicated with the drainage hole to form a drainage channel, and the positions of the spraying heads can be adjusted according to needs in the using process; therefore, the material barrel is subjected to water spraying cleaning operation; sewage on the cleaning platform plate can quickly flow to the drainage holes under the action of gravity and then is discharged through the flow guide supporting columns, and compared with a traditional cleaning mode, the drainage efficiency is effectively improved, the situation that water is accumulated on the cleaning platform is reduced, and the possibility of secondary pollution of the material barrel is reduced.

The utility model discloses a polygonal road structure which comprises a roadbed structure, an assembly type concrete prefabricated slab is laid on the top of the roadbed structure, and the roadbed structure comprises a plain soil covering layer laid on the ground in a tamping mode and a stone powder laying layer covering the left side of the surface of the top of the plain soil covering layer. The right side of the top surface of the plain soil covering layer is covered with the dry hard ash filling layer. According to the scheme, through trapezoidal concave-convex interlocking and L-shaped hooking, quick assembly and top leveling are achieved, the leveling procedure is reduced, the laying efficiency is improved, a reinforcing mesh is arranged in the prefabricated slab, mechanical meshing and curbstone coating are combined, and the compression resistance and displacement resistance are enhanced; the symmetrical prefabricated plates support length expansion, and the curbstone notches and the protruding blocks are coupled to adapt to various road layouts. The water permeable bricks are higher than the prefabricated slabs and matched with the dry hard ash filling layer, rainwater infiltration is promoted, waterlogging is relieved in combination with the green belt design, and the service life of the plates is prolonged through the double-lock-catch design.

The combined type paving stone module with the drainage function comprises a paving stone body, a through hole is formed in the bottom of the paving stone body, a drainage groove is formed in the through hole, the length of the drainage groove is the same as that of the through hole, one end of the drainage groove extends out of one end of the through hole, and the other end of the drainage groove is located in the through hole; a plurality of transverse and longitudinal top open grooves are formed in the top surface of the paving stone main body, and drainage micropores are formed in the crossed positions of the transverse and longitudinal top open grooves and extend downwards to be communicated with the drainage grooves. By the adoption of the structure, the efficient drainage system can be built in while the attractiveness of the ground can be kept, the rapid and hidden drainage effect is achieved, and therefore the problem of urban waterlogging is relieved, and the overall efficiency of the urban drainage system is improved.

The present application relates to a flood control road structure, which is related to the field of municipal roads, and includes a base and a plugging member, wherein a water-permeable layer and a supporting layer are provided on the base, a cavity is provided in the supporting layer, a floating block is provided on the plugging member, and a main flow channel and a secondary flow channel are provided on the plugging member. The drainage efficiency of the road can be adjusted according to the amount of rainfall, and when the rainfall is large, the main flow channel and the secondary flow channel are used to discharge the accumulated water in a coordinated manner, thereby improving the water seepage performance and water seepage efficiency of the road, reducing the situation of water accumulation on the road, improving the flood control performance of the road, and reducing the splashing of accumulated water when pedestrians or vehicles pass by, which has a splash-proof effect.

The utility model discloses a depth detection device, which relates to the field of depth detection and comprises a transverse plate, the left part of the upper end of the transverse plate is sequentially provided with a second through hole and a first through hole from left to right, the right part of the upper end of the transverse plate is provided with three rectangular grooves distributed in a triangular shape, and a measuring part is arranged in the second through hole. A first vertical rod is arranged in the first through hole, the first vertical rod penetrates through the measuring part, and the three rectangular grooves are jointly provided with a supporting part. According to the utility model, the measuring component is arranged to facilitate depth detection of a water surface with sludge, the sludge is prevented from influencing a measuring result, the depth of the sludge can be known through the position of the pressing plate at the first scale line, drainage preparation can be conveniently made under extreme weather conditions such as rainstorm, urban inland inundation and flood risks are reduced, and the working efficiency is improved. The device can be conveniently fixed by arranging the supporting component, a gap of a sewer opening can be filled, a measuring person is prevented from falling into a sewer, and the safety is improved.

The invention relates to an ecological road paving system based on red mud pervious concrete, comprising: a sidewalk, the sidewalk comprising a first red mud pervious concrete layer and a first waterproof separation layer arranged up and down; the roadway comprises a second red mud pervious concrete layer, a graded broken stone layer and a second waterproof separation layer from top to bottom in sequence; the ecological ditch is arranged between the sidewalk and the roadway and comprises a ditch body with the top open, and a vegetation layer and a plurality of permeable wells arranged at certain intervals in the length direction of the ditch body are arranged in the ditch body. The permeable well is used for collecting water from the first red mud permeable concrete layer, the second red mud permeable concrete layer and the graded broken stone layer. A red mud vegetation concrete layer for purifying water is arranged at the upper part of the vegetation layer. The red mud permeable concrete material and the optimized road pavement layout are utilized, so that the effects of efficiently permeating water, reducing road surface runoff, controlling road surface runoff pollution and reducing road surface noise are achieved.

According to the red-mud-based ecological permeable concrete pavement structure and the construction technology thereof, a red-mud-based ecological permeable concrete pavement adopts a double-layer design, pores and the particle size of a bottom surface layer are larger than those of a surface layer, a continuous efficient permeable channel is formed, and the surface layer preliminarily infiltrates and filters accumulated water on the pavement and intercepts part of impurities; the bottom surface layer further provides an infiltration channel, so that rainwater rapidly infiltrates into the ground, surface runoff is greatly reduced, the problem of poor water permeability of a traditional pavement is solved, underground water supplementation is assisted, and urban inland inundation is relieved; meanwhile, the strong basicity characteristic of the red mud is ingeniously utilized in the pavement structure, when surface runoff containing pollutants sequentially passes through the surface layer and the bottom layer, the red mud-based material of the bottom layer can enable heavy metal ions in the runoff to be subjected to reactions such as precipitation in an alkaline environment, and the heavy metal ions are fixed in the pavement structure, so that deep purification of the pollutants is realized; pollution of rainwater to natural water is effectively reduced, and the water ecological environment is protected.

The invention discloses a method for manufacturing a water permeable brick by using sludge. The method comprises the following steps: 1, pretreating the sludge; 2, small aggregate preparation: mixing the pretreated sludge particles with a curing agent, uniformly stirring, extruding by an extruder, and cutting into sections to prepare small aggregates; step 3, water-permeable brick manufacturing: taking the prepared small aggregate as aggregate, adding high-strength cement, sand and water-soluble epoxy resin, mixing, adding water, uniformly stirring, putting into a mold, and pressing, so as to obtain the water-permeable brick; and 4, maintaining a finished product. The preparation method has the advantages that the adopted curing agent can improve the strength and stability of the sludge, so that the prepared small aggregate and water permeable brick have higher strength and durability.

The utility model discloses a permeable road, and relates to the technical field of road administration construction. The structure comprises a roadbed, curbstones are symmetrically and fixedly connected to the top of the roadbed, permeable concrete is fixedly connected to the top of the roadbed, the permeable concrete is installed between the two curbstones, green plant soil foundations are symmetrically and fixedly connected to one end of the roadbed, water collecting tanks are fixedly connected to the interiors of the green plant soil foundations, and gabion net base tables are arranged at one ends of the tops of the water collecting tanks. Through cooperative use of the triangular water diversion area, the water outlet and the water inlet, rainwater penetrates through the water permeable concrete under the action of gravity, flows through the water outlet and the water inlet along one side of the triangular water diversion area and falls into the water collecting tank to be accumulated, and meanwhile part of the rainwater permeates into the roadbed through the bottom of the triangular water diversion area to be shunted; therefore, water flow which penetrates through the permeable concrete and flows into the roadbed can be conveniently divided, and the situation that water is saturated in the roadbed and is detained on the road surface to form accumulated water is reduced.

The present invention belongs to the technical field of communication cabinets, and specifically is a 5G Internet communication cabinet, comprising a communication cabinet body, wherein a line entry hole is provided at the bottom of the communication cabinet body; a controller is placed in the communication cabinet body; a jacking assembly is provided at the bottom of the communication cabinet body; an output end of the jacking assembly is fixedly connected to the communication cabinet body, and an input end of the jacking assembly is placed on a base used in conjunction with the communication cabinet body, and a surface of the output end of the jacking assembly is coated with a water-discoloring pigment; compared with the communication cabinet in the prior art, the present invention abandons the method of fixing the communication cabinet in the prior art, that is, a movable jacking assembly is used to replace the original fixing method of bolts, which not only improves the waterproof performance of the communication cabinet body, but also can use the communication cabinet body to protect citizens when urban waterlogging occurs.

This utility model relates to the field of paving brick technology and discloses a stone-like paving brick with drainage function. It includes a paving brick body, a first installation channel on the left inner side, a second installation channel on the rear inner side, a first installation block fixedly connected to the right outer wall, a second installation block fixedly connected to the front outer wall, and a wear-resistant surface fixedly connected to the interior of the paving brick body. An anti-slip strip is fixedly connected to the upper surface of the wear-resistant surface. In this utility model, the first installation block is fixedly supported by the paving brick body, and the second installation block is fixedly fixed along with the support of the paving brick body. This achieves the goal of rapid installation of multiple paving brick bodies, eliminating the need to spend a lot of time adjusting the position of each paving brick, improving construction efficiency, and significantly reducing the construction time required.

The invention belongs to the technical field of concrete, and provides corrosion-resistant pervious concrete which is prepared from the following raw materials in parts by weight: 100-300 parts of cement, 200-400 parts of aggregate, 10-20 parts of phosphorus slag powder, 3-5 parts of rosin, 5-10 parts of paraffin particles, 5-10 parts of an inorganic nano composite adhesive, 5-10 parts of polyurethane resin, 2-5 parts of an epoxy resin coating, 1-3 parts of micro pigment, 40-60 parts of water and 0.5-1 part of a water reducing agent. By adding the phosphorus slag powder, the rosin, the paraffin particles and other components, the concrete can effectively resist corrosion of various corrosive substances, the service life is prolonged, and the concrete has good water permeability due to selection and proportioning of the aggregate and addition of the polyurethane resin and the inorganic nano-composite adhesive. The concrete is favorable for reducing urban inland inundation and improving the ecological environment, and has higher compressive strength and breaking strength.

The present invention relates to the technical field of urban water management, and in particular to an optimization scheduling method and system based on the integration of urban power plants, networks and rivers. The method comprises the following steps: constructing a network topology structure according to metadata of the urban drainage network, generating drainage network topology structure data; estimating the pollution source strength according to the drainage network topology structure data, and obtaining regional pollution source strength distribution data; constructing a network drainage water hydraulic model according to the drainage network topology structure data and the regional pollution source strength distribution data, and generating a plant-network-river integrated hydraulic water quality model; conducting an overflow pollution impact assessment based on the plant-network-river integrated hydraulic water quality model, and generating overflow pollution impact level data; generating a multi-objective optimization scheduling scheme according to the overflow pollution impact level data, and generating an overflow risk control strategy. The present invention realizes intelligent early warning scheduling of urban drainage by finely constructing an integrated plant-network-river hydraulic water quality model, and effectively reduces the risk of overflow.

The utility model discloses a floating type sponge city water storage landscape belt which comprises a water storage landscape belt body used for collecting rainwater, a water storage area used for storing the rainwater is arranged in the water storage landscape belt body, a landscape area is arranged above the water storage area, a landscape disc used for planting green plants is arranged in the landscape area, and the landscape disc is arranged above the water storage area. A viewing aisle for pedestrians to view and walk is arranged on the outer side of the landscape area, a space area below the viewing aisle is communicated with the water storage area through a communication port, and a protection plate is arranged at the top of the water purification area. According to the floating-type sponge urban water storage landscape belt, the water storage area capable of collecting rainwater is arranged below the landscape disc, rainwater can be collected, waterlogging in a city can be relieved, meanwhile, greening of the urban area can be achieved, and the floating-type sponge urban water storage landscape belt can be used in a limited space area of an old urban area. The purpose of combining greening and waterlogging prevention is achieved, and the sponge city structure is built.

The invention relates to the technical field of concrete materials, in particular to concrete with a water purification function and a preparation method of the concrete. The concrete with the water body purification function is prepared from the following preparation raw materials in parts by mass: 450 to 500 parts of cement, 60 to 75 parts of fly ash, 1000 to 1100 parts of aggregate, 90 to 100 parts of purification composite material, 8 to 12 parts of fiber filler, 3 to 4 parts of coupling agent, 8 to 12 parts of efficient water reducing agent and 160 to 180 parts of water. The concrete with the water purification function not only has the advantages of environmental protection, high strength, long service life and the like, but also achieves a remarkable water purification effect, and has excellent comprehensive technical effects and application prospects.

The invention relates to the technical field of city reconstruction, and discloses an old community reconstruction method based on sponge city construction, which comprises the following steps: determining reconstruction areas based on rainwater engineering and foundation buildings of old communities, the reconstruction areas being an outer wall area, a road area and a green area; based on the transformation measures, the outer wall area is transformed, and rainwater disconnection nodes are obtained; based on the transformation measures, the road and the greening area are transformed, and rainwater garden nodes are obtained; a sponge module-old community composite residential system is obtained; according to the old community reconstruction method based on sponge city construction, old community construction and sponge module fusion reconstruction are carried out, a reasonable reconstruction sequence is provided, a sponge module-old community composite residential system is obtained, management and reutilization of rainwater resources are achieved to the maximum extent, and the utilization rate of the rainwater resources is improved. And surface runoff and rainwater pollution are reduced, the rainwater waterlogging phenomenon is remarkably reduced, and the living comfort of residents is improved.

The utility model relates to a cable trench accumulated water detection and drainage device, which belongs to the technical field of cable trench drainage, and comprises a cable trench, a plurality of cable supports for supporting cables are arranged on two sides of the cable trench, a drainage pipe is arranged below the cable trench, the drainage pipe is buried in a foundation, the cable trench is provided with a drainage hole, and the drainage hole is communicated with the drainage pipe. A drainage port is formed in the cable trench, an opening and closing assembly is embedded in the foundation, connected with a sealing plate, used for controlling the sealing plate to seal and open the drainage port and communicated with the drainage pipe, and a control assembly used for controlling starting of the opening and closing assembly is arranged in the cable trench; when the water level of accumulated water in the cable trench reaches an early warning value, the control assembly controls the opening and closing assembly to drive the sealing plate to open the water outlet. When the water level of accumulated water in the cable trench drops to the safety water level specified by design, the control assembly controls the opening-closing assembly to drive the sealing plate to seal the water outlet. The cable trench has the advantages that the drainage function of the cable trench is improved, and water accumulation of the cable trench is reduced.

The invention discloses a parking shed rainwater efficient utilization system and method, and relates to the technical field of parking shed water circulation. Comprising a solar panel roof rainwater collecting and treating unit, a code scanning self-service car washing unit and a car washing wastewater treating and recycling unit. Rainwater collected by a V-shaped parking shed photovoltaic panel roof with a blocked edge is filtered by a filter screen below, is collected to an initial rainwater pool through a water collection vertical pipe, and is collected into a reservoir through a first filter; a first water suction pump in the code scanning self-service car washing unit pumps water in a water storage tank, the water is supplied to a car washing gun through the first water suction pump, waste water generated after car washing is collected through a slope-shaped rainwater grate, and rainwater completely immerses a degreasing filter material filled with three layers below; the wastewater is subjected to targeted second-time degreasing and filtering treatment, the cleanliness of an irrigation water source is guaranteed through two-time degreasing treatment, purified water flows into a clean water pool, and sprinkling irrigation equipment is used for regularly sprinkling water to surrounding green plants. Water resource shortage in arid areas is effectively relieved, and the pressure of a municipal drainage system is relieved.

The utility model relates to the technical field of sponge city infiltration and storage, in particular to a sponge city rainwater self-circulation infiltration and storage structure which comprises a through-flow frame and an embedded frame, the top end of the embedded frame is fixedly connected with a planting frame, a flow guide cone frame is arranged in the planting frame, the bottom end of the through-flow frame is fixedly connected with a water storage tank, and the bottom end of the water storage tank is fixedly connected with a water outlet. The bottom end of the water storage tank is fixedly connected with a supporting bottom plate, a water pump unit is arranged on one side of the top end of the water storage tank, and a water level measurer is arranged on one side of the inner wall of the water storage tank. Through the arrangement of the through-flow frame, the embedding frame, the planting frame, the flow guide cone frame, the water storage tank, the supporting bottom plate, the water pump set, the liquid control valve, the conveying pipe, the liquid pouring ring base, the liquid pouring grating, the liquid seepage plate and the liquid seepage filter element, the equipment can conduct more efficient sponge city rainwater self-circulation seepage storage use operation; a worker firstly plants green plants in a sponge city in a diversion cone frame of a planting frame through soil.

The utility model provides a municipal drainage anti-blocking structure, which relates to the technical field of drainage anti-blocking, and comprises a water collecting tank, a direct drainage pipe, a ditch cover plate, a through groove, a rotating shaft, a leakage net, a connecting end, a worm gear, a mounting groove and a worm, the two output ends of the double-shaft motor are fixedly connected with worms on the two sides of the double-shaft motor correspondingly, and the double-shaft motor controls the two leakage nets in the same through groove to synchronously and reversely rotate through cooperation of the worms on the two sides and worm gears. Leaves, garbage bags and other garbage cans which cause blockage of the ditch cover plate are moved from the middle of the ditch to the two sides of the ditch cover plate, so that the through grooves in the ditch cover plate can be prevented from being completely blocked, rainwater can continue to enter the water collecting tank through the ditch cover plate and enter the water drainage pipe through the straight drainage pipe, and the water drainage effect is improved. The condition of road surface water accumulation can be effectively reduced, and the travel of citizens is facilitated.

The invention relates to the field of road engineering technologies, in particular to a highway road rapid drainage system, a well mouth is excavated in a road surface, a drainage groove is excavated in the position, at the well mouth, of the road surface in the vertical direction, and the highway road rapid drainage system comprises a rectangular pipeline used for drainage, a well lid, a driving assembly and a first filtering assembly; the manhole cover is located at the end, close to the wellhead, of the rectangular pipeline and comprises a first cover plate and a second cover plate, the manhole cover is matched with an opening of the rectangular pipeline, one side of the first cover plate is hinged to the rectangular pipeline, and the side, away from the first cover plate, of the second cover plate is hinged to the rectangular pipeline. The driving assembly comprises a driving part and a rainfall sensing part used for detecting rainfall, the driving part is connected with the first cover plate and the second cover plate to drive the first cover plate and the second cover plate to rotate, and the rainfall sensing part is electrically connected with the driving part; the first filtering assembly comprises a conical filtering plate, the conical filtering plate can separate rainwater from impurities contained in the rainwater, and the effect that the drainage pipeline is easily blocked is improved.

The utility model belongs to the technical field of filtering equipment, and particularly relates to sewage filtering equipment based on a sponge city system, which comprises a road and drainage channels arranged on two sides of the road, a plurality of drainage ports distributed at equal intervals are reserved on the surface of each drainage channel, and filtering components are arranged in the drainage ports. The filter assembly comprises a filter cartridge main body, annularly distributed drainage holes are formed in the lower side wall of the filter cartridge main body, and the diameter of the drainage holes is smaller than that of quartz sand; rainwater is filtered layer by layer through the sponge structure layer, the filtered rainwater enters the drainage channel through the drainage port, the problem that blockage is prone to being caused after sundries enter a traditional urban sewage well is solved, urban waterlogging caused by rainfall is relieved, and after the filtering assembly is used for a long time, the filtering effect is good. And the filter cartridge main body can be taken out to replace or wash the sponge structure layer, so that permeated impurities are removed, the filtering effect is kept for a long time, and cyclic utilization is realized.

This utility model relates to an urban drainage system, including a separate collection system, a combined collection system, an interception system, and a sewage treatment system. The interception system includes an interception pipe, an overflow pipe, and an interception well. The separate collection system includes a first sewage pipe, a first rainwater pipe, and a sewage trunk line. The first sewage pipe is connected to the sewage treatment system via the sewage trunk line, and the first rainwater pipe is connected to the interception well. The combined collection system includes a combined pipe connected to the interception well. Specifically, it also includes a main sewage trunk line and a second sewage pipe and / or a second rainwater pipe installed in the combined collection system. The main sewage trunk line is connected to the sewage treatment system and the second sewage pipe. The first sewage pipe and / or the sewage trunk line are connected to the main sewage trunk line. The second rainwater pipe is connected to the rainwater discharge area. This utility model can achieve rainwater and sewage separation, low water level operation of the main sewage trunk line, and smooth rainwater drainage, thereby improving the efficiency of the urban drainage system, alleviating urban flooding, and improving water environment quality.

The utility model relates to a seepage and drainage integrated linear drainage ditch device which comprises a storage and drainage assembly and an overflow assembly, the storage and drainage assembly is used for receiving rainwater and carrying out preliminary interception, filtration, storage and seepage work on the rainwater, and the overflow assembly is used for receiving excessive rainwater in the storage and drainage assembly and carrying out secondary interception, filtration, storage and seepage work on the rainwater. And after the excessive rainwater is intercepted and filtered, the rainwater is connected into a rainwater pipe network through a drainage pipe. Through the integrated design of the storage and drainage assembly and the overflow assembly, the rainwater interception, filtration, storage and permeation functions can be integrated in one device, so that the rainwater treatment efficiency can be effectively improved. Rainwater can be effectively regulated and stored, and urban inland inundation is relieved.