48results about How to "Relieve drainage pressure" patented technology

The invention relates to a novel compound burn-free water permeable brick and a preparation method thereof. According to the novel compound burn-free water permeable brick, the problems of high preparation cost, low strength, poor water tolerance and the like of an existing water permeable brick are mainly solved. The water permeable brick comprises a surface layer and a bottom layer, wherein the surface layer is prepared from super-hydrophilic fibers through mixing, hot press and maintenance by taking waste ceramic shattered bone as an aggregate as well as sulphate aluminum cement and thermosetting resin as bonding materials, and the bottom layer is prepared by adding materials such as water-repellent powder, water reducing agents, defoaming agents and interface enhancer by taking the waste ceramic shattered bone as the aggregate as well as ordinary Portland cement as a bonding agent. The preparation method of a coating layer comprises the steps of uniformly stirring in a certain proportion so as to obtain a mixture, putting the mixture into a forming mold, and carrying out steam maintenance, so as to prepare the burn-free water permeable brick which has good water permeability and water-retaining property and high strength and is suitable for northeast high and cold areas. Compared with traditional burn-free bricks, the novel compound burn-free water permeable brick has good water permeability and freeze-thaw stability, and a direction is provided for the comprehensive renovation work of environments.

The invention discloses an intelligent road emergency drainage system. The system comprises an inspection well, an inspection well cover, an electric jacking mechanism, a pressure sensor, a voice prompt module, multiple LED indicator lights, a control system, a storage, a GPS module and a GPRS module; on one hand the control system is electrically connected with the pressure sensor and the storage separately, on the other hand the control system is electrically connected with the electric jacking mechanism, the voice prompt module, the multiple LED indicator lights, the GPS module and the GPRS module separately. According to the system, the inspection well cover is opened for drainage when rainfall is too large, so that the drainage pressure of manholes is relieved, the resource utilization is improved, and the economic loss is reduced; vehicles and pedestrians passing by can be reminded to watch out, effective avoidance is carried out, and convenience is brought to management and grasping of real-time conditions for an urban management department, formulation of a response scheme and measures and conducting of subsequent disposition work for a worker.

The invention discloses a double-layer regulation and storage tank for regulation and storage for flood peak and regulation and storage for initial rainwater. The double-layer regulation and storage tank comprises a double-layer regulation and storage tank body, wherein a grid is arranged at the upstream of the double-layer regulation and storage tank body; the downstream of the double-layer regulation and storage tank body is connected with a pump station. According to the double-layer regulation and storage tank for regulation and storage for flood peak and regulation and storage for initialrainwater, by arranging the double-layer regulation and storage tank body, a water-passing corridor at a first underground layer, an air ventilating well, an air ventilating port at the first underground layer, an air ventilating port at a second underground layer, a water intake and drain gate of a regulation and storage tank body for flood peak, a downstream water drain gate, and a water intakegate of a regulation and storage tank body for initial rainwater in a cooperation use way, the problem of large land occupation area of the regulation and storage tank is solved; the double-layer regulation and storage tank for regulation and storage for flood peak and regulation and storage for initial rainwater has the advantages that the land occupation area is small, and the double functionsof regulation and storage for flood peak and regulation and storage for initial rainwater within the limited land usage range are realized; the practicality is improved, the regulation and storage capacity is greatly increased, the urban water drainage stress is relieved, the resource is saved, and the environment-friendly effect is realized; in addition, a water quality detector, an A / D (analog to digital) conversion module, a central processing unit, a power source module, a data comparison module and a data storage module are arranged.

The invention discloses a method for domestication and modular planting of sedum lineare for roof greening. The method comprises the following steps of (1) domesticating sedum lineare at a cultivation base, so as to obtain high-quality finished grass; (2) pre-fabricating a plurality of planting structural frames, wherein each structural frame consists of a frame bottom and frame surrounding edges disposed at the periphery of the frame bottom; (3) laying a filter layer in each planting structural frame, and coating each filter layer with a light organic substrate with a thickness of 2-5 cm; (4) transplanting or planting the domesticated sedum lineare on the light organic substrate; and (5) vertically assembling the planting structural frames, loading the planting structural frames into a truck for transportation, and carrying the planting structural frames to roofs for laying and spreading. The invention also discloses the structural frame special for roof greening plantation. According to the technical scheme, modular planting is employed, the light organic substrate is high in fertility and facilitates growth of sedum lineare and helps to obviously reducing the load of a building structure; transportation is facilitated and transportation cost is reduced; rain can be buffered and accumulated, and excessive water is prevented from directly impacting the roofs, the roofs are protected, and construction of sponge cities is facilitated.

The invention discloses a high-rise building rainwater utilization system. The high-rise building rainwater utilization system comprises multilayer water-collecting tanks arranged on a building outer wall and overflow pipes communicated with the water-collecting tanks. The upper ends of the water-collecting tanks are provided with inclined water-collecting grooves. Rainwater of a building roof is gathered and then led into the water-collecting grooves through water-collecting pipes and led into the water-collecting tanks through the water-collecting grooves and water-collecting openings. The upper portions of the sides of the water-collecting tanks are provided with overflow openings, and the positions of the overflow openings are lower than those of the water-collecting openings. The overflow opening of the upper layer water-collecting tank is communicated with the overflow opening of the lower layer water-collecting tank through the overflow pipes, the lower end of each layer of water-collecting tank is provided with a water outlet, the water outlet is communicated with a water-taking pipe, and a water-taking stop valve is arranged at the position of a water-taking pipe port. The high-rise building rainwater utilization system can collect, store, purify and recycle rainwater resources on a high-rise building roof and an outer wall, and the secondary pressurization water supply demand of the high-rise building is reduced. The water storage capability of a city during the rainy season is enhanced, and the urban drainage pressure is effectively relieved.

The invention discloses a laying structure used for a garden greenbelt and beneficial to water storage and drainage. The structure comprises a grit soil layer, a purification water permeation layer, anon-woven fabric layer, a coarse sand isolation layer and a planting soil layer which are laid on base-layer soil from bottom to top in sequence; the planting soil layer is sunken downwards to form awater storage cavity. The planting soil layer is sunken downwards to form the water storage cavity. The laying structure has the functions of storage water, water permeation and purification; the planting soil layer is sunken downwards to form the water storage cavity so that rainwater can be effectively reserved on rainy days, the reserved rainwater can continuously and slowly permeate downwardsin a certain time period, the water content of soil can be increased, so that vegetation on the garden greenbelt is nourished, and groundwater resources can also be supplemented; the rainwater whichpermeates downwards is purified when passing through the water permeation layer, dust and soil can be filtered out, and the pollution of the rainwater surface source to the city environment is reduced.

The invention discloses a sidewalk drainage structure and a combined drainage method of the sidewalk drainage structure and a drainage kerb. The sidewalk drainage structure is characterized in that permeable concrete and a plurality of permeable blind road bricks form a permeable drainage surface layer; a permeable drainage base layer composed of a plurality of first drainage building blocks, a plurality of second drainage building blocks and graded broken stones or broken gravels is arranged below the permeable concrete, and a first cement mortar leveling layer and a second cement mortar leveling layer are laid below the permeable blind road bricks and the permeable drainage base layer respectively. A concrete cushion layer is arranged at the part below the second cement mortar leveling layer, and a compacted soil foundation is arranged below the concrete cushion layer. The sidewalk drainage structure has the advantages of being short in infiltration path, simple in structure, convenient to construct, capable of saving materials, obvious in economical efficiency and the like, and in addition, the invention further provides a drainage kerb structure. Therefore, rainwater on the surface of a road in a sidewalk or a square footpath provided with kerbs and infiltrated rainwater are directly led into the kerbs.

The invention discloses a novel embedded PVC speed bump with a drainage function. The novel embedded PVC speed bump comprises a base, the lower surface of the base is provided with a concrete foundation, a first auxiliary plate, a second auxiliary plate and a convex seat are fixedly connected to the upper surface of the base, the first auxiliary plate is fixedly connected to the outer wall of oneside of the convex seat, and the second auxiliary plate is fixedly connected to the outer wall of the other side of the convex seat. A luminescent sticker is fixedly connected to the top outer wall ofthe convex seat, a first sponge mat is fixedly connected to the upper surface of the first auxiliary plate, a second sponge mat is fixedly connected to the upper surface of the second auxiliary plate, and the inner surface of the first auxiliary plate is provided with first drainage holes. The novel embedded PVC speed bump has a great drainage function and is effective in drainage and capable ofwell warning vehicles in nighttime to guarantee driving safety of people, road drainage pressure can be relieved, and excellent pressure resistance and sun protection performances are achieved.

A rainwater comprehensive utilization system for a gas station comprises a rainwater collection device, an underground rainwater storage tank, a rainwater treatment device and a rainwater utilization subsystem, wherein the rainwater collection device is connected with the rainwater treatment device which is connected with the underground rainwater storage tank, and the underground rainwater storage tank is connected with the rainwater utilization subsystem. By the rainwater comprehensive utilization system, rainwater resources are sufficiently utilized, water drainage pressure of the gas station is alleviated, and main products and facilities which are arranged below a freezing line are not affected in use; further, rainwater storage facilities and rainwater gutters and the like can be preformed parts, so that the rainwater comprehensive utilization system has the advantages of low economic cost, short construction period, low construction noise, high environmental applicability, low affection on the surroundings, superior comprehensive cost performance, recyclability of products and materials and the like when being assembled and constructed on constriction site, and is an ideal scheme for solving the problems of water drainage and using of the gas station.

The invention discloses a combined type municipal inspection well which comprises a rainwater inspection well and a sewage inspection well. The combined type municipal inspection well is characterizedin that rainwater openings are formed in the rainwater inspection well, the sewage inspection well is provided with a sewage pipe, a control box is arranged between the rainwater inspection well andthe sewage inspection well and is connected with a water barrier, a pressure sensor is arranged inside the control box, an inspection ladder is arranged in the control box, and the sewage inspection well and the rainwater inspection well are provided with inspection ladders. The combined type municipal inspection well has the advantages that the rainwater inspection well and the sewage inspectionwell are combined with each other, are excavated together and are simultaneously placed, and water can be drained via the sewage pipe by the water barrier under the control of the control box as soonas possible in heavy rain; the excavation pressures can be relieved, the work efficiency can be improved, and the drainage pressures of urban roads in stormy weather can be relieved to a great extentby the water barrier.

The invention discloses a sponge urban road rainwater infiltration system and a construction method thereof. The sponge urban road rainwater infiltration system comprises a rainwater infiltration layer, a purification layer and an underground water collecting pipe. The purification layer is located between the rainwater infiltration layer and the underground water collecting pipe. The rainwater infiltration layer sequentially comprises a water penetration brick layer, a sponge filter layer, a second collecting layer, a concrete base layer and a first collecting layer from top to bottom. Rainwater purification devices are arranged in the purification layer and connected with the rainwater infiltration layer and the underground water collecting pipe through flow guide pipes. The construction method of the system includes construction preparation, underground water collecting pipe laying, purification layer construction and rainwater infiltration layer construction. The system is high in practicality, the construction method is simple, the construction requirements of rainwater infiltration systems of different roads can be met, the drainage effect of urban road rainwater is improved, the water drainage pressure of municipal sewer lines is effectively relieved, meanwhile, purified rainwater can be supplied for life use according to different purification degrees and can also be used for irrigation, and water resources are greatly saved.

The invention relates to a regulation and storage structure for sponge city road construction. The regulation and storage structure for sponge city road construction is arranged on the two sides of aroad, and comprises a rainwater well and a multifunctional overflow water storage unit arranged on one side of the rainwater well, wherein a slow release device and a sewage draining assembly are arranged on the bottom part of the multifunctional overflow water storage unit; the bottom part of the slow release device is connected to the rainwater well through a slow release water outlet pipe; a sewage draining pipe is connected to the bottom part of the sewage draining assembly; and an overflow port is formed between the upper part of the multifunctional overflow water storage unit and the rainwater well. Compared with the prior art, the regulation and storage structure for sponge city road construction provided by the invention can be beneficial to effectively reducing a city rainwater drainage peak value, alleviating the drainage pressure of an existing drainage pipe network, reducing the investment cost of the drainage pipe network, particularly effectively reducing the pollution brought by initial rainfall-runoff and improving the river water quality, and has favorable ecological benefits and social benefits.

The invention discloses a rainwater penetrating-discharging integrated ecological system, which comprises penetration inspection wells distributed on the ground of residential areas, penetration drainage ditches which are in a network shape and connected on all the penetration inspection wells and transversal connecting pipes between the penetration inspection wells and the penetration drainage ditches. Permeable holes are formed on the side walls and at the bottoms of the penetration inspection wells, a gravel layer is laid in the peripheries of the penetration inspection wells, a layer of permeable geotextile is laid in the peripheries of the gravel layer, wellheads of the penetration inspection wells are provided with dirt-catching and sewage-blocking baskets therein and permeable wellcovers are covered on the wellheads; permeable holes are formed on the side walls of the penetration drainage ditches, the peripheries of the penetration drainage ditches are provided with the gravellayer, the peripheries of the gravel layers are provided with a layer of permeable geotexile, and the top parts of the penetration drainage ditches are covered with grate covers of the drainage ditches. The invention has the advantages of simple design principle and convenient construction. The invention can save water consumption, reduce rainwater runoff in a city and relieve municipal drainage pressure, thereby not only realizing early draining of rainwater, purifying water, but also realizing the penetration of rainwater, conserving underground water source and beautifying the peripheral ecological environment.

The invention provides an ecological green land structure for a low-rise building and a method. According to the ecological green land structure for the low-rise building, an evergreen hedge is arranged at the low-rise building in the prevailing wind direction, a sunshine area is arranged between the evergreen hedge and the low-rise building, and an arbor area is arranged outside the evergreen hedge. A wind vane and anemometer is arranged on the periphery of the low-rise building and counts data of the prevailing wind direction; the evergreen hedge is arranged on the portion, a certain distance away from the low-rise building, in the prevailing wind direction; the arbor area is arranged outside the evergreen hedge. By means of the steps, wind prevention is achieved for the low-rise building in winter. The evergreen hedge and the arbor area are arranged on the periphery of the low-rise building, the landscape function of green land is achieved, and the function of climate regulation isfurther additionally added. According to the ecological green land structure, through combination of the evergreen hedge and the arbor area, on the premise of not influencing daylighting of the low-rise building, prevailing wind which passes through an arbor lower-layer through structure is guided in ascending in front of the low-rise building, the wind prevention effect of the green land is improved, and energy consumption for heating of the low-rise building in winter is indirectly lowered.

The invention discloses a ground beam type ditch which comprises ditch walls, a ditch cover, a ditch bottom and embedded parts. The ditch bottom is arranged at the bottom of the ditch. The ditch walls are arranged on the two sides of the ditch bottom, and the ditch bottom is connected with the bottoms of the ditch walls. The ditch cover is arranged on the upper portions of the ditch walls, and the embedded parts are arranged in the inner walls of the ditch walls. The ditch bottom is provided with a water draining hole, and the position, corresponding to the water draining hole, of the bottom of the ditch bottom is provided with a rubble layer. The ditch bottom is arranged on a foundation, the ditch walls are arranged on the two sides of the ditch bottom, and the ditch bottom is connected with the bottoms of the ditch walls. The ditch cover is arranged on the upper portions of the ditch walls, and the ditch walls, the ditch cover and the ditch bottom form a cavity. A cable or a pipeline can be arranged in the formed cavity, and the embedded parts can be used for fixing a cable support or the pipeline. The water draining hole is formed in the ditch bottom, the rubble layer is arranged at the position, corresponding to the water draining hole, of the bottom of the ditch bottom, water flowing into the ditch from a ditch cover gap can be easily drained out of the ditch, water is not accumulated in the ditch, the cable or the pipeline is prevented from being steeped in water. Meanwhile, due to the fact that the rubble layer is used for draining water, the water draining problem under the condition that a water draining system does not exist near the ditch is solved.