20results about How to "Reduce drain pressure" patented technology

The utility model provides a karst water-rich tunnel partition drainage structure which comprises N tunnel main holes arranged in an arrayed mode, a middle connecting channel is arranged between every two adjacent tunnel main holes for communication, N is an integer larger than or equal to 2, a drainage ditch in one tunnel main hole located on the outermost side is communicated with a drainage hole through a connecting branch hole, and the drainage ditch in the other tunnel main hole located on the outermost side is communicated with the drainage hole through a drainage branch hole. The middle connecting channel comprises a drainage channel and a pedestrian path, the drainage channel is communicated with the drainage ditches in the two adjacent tunnel main holes, and the pedestrian path is communicated with the two adjacent tunnel main holes. According to the drainage structure, water flow of all the tunnel main holes can be collected into the drainage hole to be drained, the risk of tunnel flood is reduced, and meanwhile the drainage channel and the pedestrian path are arranged together so that the construction difficulty can be reduced.

The utility model discloses a road engineering roadbed drainage anti-blocking structure, which relates to the technical field of road engineering and comprises a drainage channel body, partition plates are fixedly mounted on the inner walls of two sides of the drainage channel body, a plurality of water outlets are formed in the side wall of the drainage channel body, and the partition plates are arranged in the drainage channel body. A plurality of water inlet pipes are arranged on the two side walls of the drainage tank body, one end of each water inlet pipe communicates with a filtering mechanism, the filtering mechanisms are used for filtering impurities in water and preventing the impurities from entering the drainage tank body to cause blockage, and an inductor is fixedly installed on the inner wall of the drainage tank body. By arranging the filtering mechanism, impurities and particles in water can be effectively intercepted, so that it is guaranteed that water flow entering the drainage tank body is clean and free of blockage, workers can conveniently clean or replace a filter screen, and the situation that under the extreme weather conditions such as rainstorm, blockage of the drainage tank is further aggravated due to sharp increase of water flow is prevented.

The invention discloses an urban bumpy road surface waterlogging prevention drainage device, and belongs to the technical field of drainage equipment.The urban bumpy road surface waterlogging prevention drainage device comprises an installation surrounding piece, first grating filter plates are installed at the two ends of the interior of the installation surrounding piece, first installation grooves are formed in the two sides of the bottom of each first grating filter plate, and movable blocks are arranged in the first installation grooves; a first spring is connected between the movable block and the first grid filter plate, and a blocking floating plate is mounted at the bottom of the movable block. In an initial state, only a gap is reserved between a blocking floating plate and a first grating filter plate to serve as a conventional drainage hole, and a movable block is connected with the first grating filter plate through a first spring, so that in a conventional state, outward diffusion of peculiar smell can be greatly reduced, and meanwhile, when the drainage pressure is large, the drainage effect is greatly improved. And the pressure of water can drive the gap between the blocking floating plate and the first grid filter plate to be increased, so that a smooth drainage task is realized.

The invention belongs to the technical field of mine drainage engineering, and particularly discloses an underground multi-stage closed drainage system and a construction method thereof. The elevations of a first sectional sedimentation system, a second sectional sedimentation system and a Kth sectional sedimentation system of the drainage system are sequentially reduced, and the first sectional sedimentation system, the second sectional sedimentation system and the Kth sectional sedimentation system are arranged on the side parts of corresponding sectional roadways and respectively comprise a sectional sedimentation tank, a drainage chamber and a drainage channel, the sectional sedimentation tanks are vertically arranged on the side of the sectional roadways and obliquely extend downwards, and the high-position ends of the sectional sedimentation tanks are communicated with the sectional roadways; the drainage chamber is arranged on the side of the segmented sedimentation tank and communicated with the segmented sedimentation tank through the drainage chamber connecting channel, the drainage channel is vertically arranged at the bottom of the drainage chamber, and the bottom end of the drainage channel is communicated with the next-stage segmented sedimentation tank or a middle-section main roadway drainage system below the next-stage segmented sedimentation tank. The construction method comprises the steps of segmented sedimentation tank construction, drainage chamber joint channel construction, drainage chamber construction, drainage cofferdam construction and next-stage segmented sedimentation system construction. The device has the characteristics of simple structure, high precipitation efficiency, difficulty in blockage, low drainage energy consumption and convenience in construction.

The utility model relates to a photovoltaic building integrated device, which comprises a photovoltaic panel and a keel which is provided with a drainage groove and has a gradient along the drainage direction, and the photovoltaic panel is jointly pressed on the keel by a first pressing block and a second pressing block. The gap between the two photovoltaic panels is connected through the water guide eave and the connecting eave in the gradient direction, so that rainwater can directly flow downwards through the fall, a water tank does not need to be arranged in the transverse gap, part of the rainwater directly flows downwards along the surfaces of the photovoltaic panels, the drainage pressure of the keel is reduced, and the drainage efficiency is improved. According to the scheme, the fixing mode of the connecting eaves does not affect disassembly and assembly of the single photovoltaic panel, one side of each connecting eave is pulled to be tightly attached to the edge of the upper photovoltaic panel, the other side of each connecting eave naturally falls and presses the lower photovoltaic panel, no gap exists, the effect similar to a tile is formed, and even if rainwater splashes, water leakage is not likely to happen.

The utility model relates to the technical field of construction equipment, more specifically to the construction system for drilling and grouting construction in the shaft, it includes: support frame, the support frame is connected with hydraulic feeding drive mechanism, it has the feeding movement part that moves to and fro, the feeding movement part is connected with hydraulic rotary drive mechanism, it has the rotary output part of output rotation torque, drilling tool has water hammer (such as high pressure water power downhole percussion hammer) and water hammer drill rod, grouting subassembly has grouting drill rod, the chuck is provided on the rotary output part, and water hammer drill rod has: the water hammer drill rod connecting portion that chuck holds fast, grouting drill rod has: the grouting drill rod connecting portion that chuck holds fast, through the water hammer drill rod connecting portion or grouting drill rod connecting portion can be detached and hold fast on chuck, to make: drive unit drives water hammer drill rod to rotate and feeds and carries out drilling, or, drive unit drives grouting drill rod to rotate and feeds and drills into grouting hole.

The utility model provides a whole reservoir basin anti-seepage forebay anti-seepage drainage structure, a reservoir bank, a reservoir bottom and a forebay of a reservoir are jointly provided with a surface anti-seepage structure, the reservoir bottom of the forebay is provided with a vertical shaft type water inlet / outlet structure, and the lower part of the surface anti-seepage structure is provided with a drainage gallery. The drainage galleries are provided with first drainage galleries communicated with the outside of the reservoir basin at the periphery of the reservoir bottom, the periphery of the top and the periphery of the bottom of the forebay are respectively provided with second drainage galleries and third drainage galleries, and the second drainage galleries are communicated with the first drainage galleries in the same structural layer; and a communicating gallery is arranged on the forebay bank slope section between the third drainage gallery and the second drainage gallery. The drainage galleries on the periphery of the top of the forebay are communicated with a channel for draining seepage water at the bottom of the reservoir to the foundation pit, so that the drainage pressure in the forebay is reduced, and the leakage monitoring accuracy of the anti-seepage structure is also improved.

This invention provides a novel anti-clogging device for filter media in concealed drainage pipes. The anti-clogging device comprises at least one unit and includes a crushing component. The crushing component includes a support frame installed inside the drainage pipe, on which a crushing blade is rotatably mounted. The crushing blade rotates under the impact of water flow. This invention utilizes the impact force of the water pressure within the drainage pipe to rotate the crushing blade, thereby crushing and guiding the silt, debris, and filter media particles in the wastewater out of the drain. This significantly improves drainage efficiency, reduces the frequency of drainage pipe blockage, and enhances the drainage capacity and service life of the drainage pipe.

The utility model discloses a sponge facility rainwater collecting, purifying and recycling device. Comprising a grass planting ditch, a sunken greenbelt, an environment-friendly overflow well, a multi-stage purification pond and a water collection irrigation system, wherein the grass planting ditch is positioned on the sunken greenbelt close to the edge of the road so as to receive and transfer rainwater on the road and the greenbelt to the environment-friendly overflow well; a mud settling well is arranged at the lower part of the overflow well, and rainwater settled in the mud settling well is discharged to the multi-stage purification tank through a pipeline; rainwater purified by the multi-stage purification pond is connected to a water collection irrigation system through a water outlet pipeline, so that the rainwater is lifted for greening irrigation or road flushing. Rainwater is transferred to the overflow well for pretreatment through the grass planting ditch and the sunken green land, sundries and silt in the rainwater are effectively intercepted, the influence of suspended solids and the like on the multi-stage purification pond is reduced, meanwhile, pipe network blockage is reduced, and garbage sundries, silt and the like only need to be cleaned regularly.

The invention provides a karst depression sinkhole plugging drainage system, a construction method and a drainage method.The plugging drainage system comprises a plurality of lower drainage pipes, concrete plugs are poured between the lower drainage pipes in a sinkhole, concrete bases are poured on the top faces of the concrete plugs and the periphery of the edge of the top end of the sinkhole, and a main drainage buried culvert is arranged at the upper end of each concrete base; part of the lower drainage pipes are communicated with a main drainage buried culvert, branch drainage buried culverts are arranged on the outer side of the main drainage buried culvert, a plurality of upper drainage pipes are arranged above the concrete base, part of the upper drainage pipes are communicated with the main drainage buried culvert, the rest of the upper drainage pipes are communicated with the corresponding lower drainage pipes, and concrete top plates are poured among the lower drainage pipes above the concrete base. Water-permeable inverted filter layers are laid on the top face of the concrete top plate and the outer sides of the water distribution and drainage buried culverts, and the water-permeable inverted filter layers are used for stacking material slag bodies. According to the method, the sinkhole can be effectively blocked, and smooth drainage of the karst depression site and the stability of the bearing capacity of the foundation of the karst depression are guaranteed.

The utility model provides a building rainfall drainage structure, which relates to the technical field of rainfall drainage and comprises a structure body, a filter plate is arranged in the structure body, limiting frames are arranged on two sides of the interior of the structure body, a first protective rack is arranged at one end of the structure body, and a second protective rack is arranged at the other end of the structure body. A motor is arranged on the inner side of the first protection rack, a lead screw is arranged in the structure body, and one end of the lead screw movably penetrates through the structure body to be connected with the motor. The motor drives the screw rod to rotate, so that the scraping plate can slide on the screw rod, gravels and soil accumulated on the filter plate are scraped and discharged from the sewage discharge square pipe, the scraping plate can be limited through the limiting frame and is prevented from being dislocated, the filter system can be cleaned periodically and regularly, and the cleaning efficiency of the filter system is improved. The drainage system is prevented from stopping due to accumulation of gravel and soil, the cleaning difficulty is reduced, the labor cost is saved, and the service life of the whole drainage structure is prolonged.

The invention relates to the technical field of drainage channels, in particular to an automatic drainage channel for hydraulic engineering, which comprises diversion mechanisms arranged on two sides of a drainage channel body and in the channel and a filter mechanism arranged in the drainage channel body. Through the arrangement of the flow dividing mechanism comprising the flow dividing pipe, the flow dividing channel and the flow blocking plate, rapid flow dividing of a water body in the flood drainage channel body is achieved, and the effects of reducing the drainage pressure of the flood drainage channel body and avoiding water flow blocking and channel body overflowing are achieved; according to the device, the grading interception of floating objects with different volumes in a water body is realized, the effects of improving the water body filtering effect and guaranteeing the cleanliness of a flood drainage water body are achieved, and the dynamic reciprocating motion of a screen is realized by arranging a pulling assembly comprising a sliding groove, a sliding block, a sliding strip and a linkage rod piece; the effects of preventing floating objects on the surface of the screen from being accumulated, avoiding blockage of the filtering channel and maintaining long-term stable operation of the filtering mechanism are achieved.

The utility model relates to the technical field of slope protection, in particular to an urban road slope protection design structure which comprises main drainage ditches and auxiliary drainage ditches, the main drainage ditches and the auxiliary drainage ditches are alternately and longitudinally arranged on the slope surface of a slope at intervals, and planting areas are arranged between the main drainage ditches and the auxiliary drainage ditches. A first road shoulder stop block is arranged at the top of the planting area and located at the top of the slope, a second road shoulder stop block is detachably arranged at the top of the auxiliary drainage ditch and located at the top of the slope, and a drainage channel is transversely arranged at the bottom of the slope. According to the urban road slope protection design structure, the main drainage ditch, the auxiliary drainage ditch and the planting area are arranged on the slope surface of the slope, rainwater on the top of the slope flows into the drainage ditch through the main drainage ditch when the rainfall is small, and when the rainfall is large, the second road shoulder check block is moved away, and the planting area is arranged on the slope surface. Rainwater at the top of the slope flows into the drainage channel through the main drainage ditch and the auxiliary drainage ditch, and therefore the drainage efficiency of the slope is effectively improved.

This utility model provides a fully gravity-fed drainage structure for a switchyard, belonging to the field of water conservancy and hydropower technology. It includes a switchyard site, and a relay protection building and a GIS building respectively installed on top of the site. Both the relay protection building and the GIS building have basements for cable laying at their bases. The two basements are connected by a cable corridor. A site drainage ditch is installed around the outer perimeter of the switchyard site, and an indoor drainage ditch is installed around the inner perimeter of the basements. A corridor drainage ditch is installed inside the cable corridor, and a collection well is also installed in the basement of the GIS building. This utility model, through its gravity-fed and centralized drainage design, solves the problem of flooding caused by water pumps used for drainage when indoor water seepage occurs, especially in cases of pump equipment failure or power outage.

The utility model provides a cutting slope drainage ditch, which relates to the technical field of municipal road drainage, and comprises a drainage ditch main body, waterproof geotextile covers the inner wall of the drainage ditch main body, a permeable pipe is arranged at the top of the waterproof geotextile, a sandy soil mixture is filled between the permeable pipe and the waterproof geotextile, and gravel is paved at the top of the sandy soil mixture. Planting soil is laid on the top of the gravel, permeable geotextile is arranged on the outer side of the gravel and the outer side of the planting soil, it can be guaranteed that collected water of the drainage ditch body does not seep outwards by laying the waterproof geotextile on the inner wall of the drainage ditch body, and the soft permeable pipe placed in the drainage ditch body has the advantages of being high in compression resistance and tension resistance cavity degree and long in service life; a drainage path can be guaranteed to be smooth, the planting soil, the gravel and the sandy soil mixture which are sequentially arranged in the whole structure from top to bottom can serve as a filtering system, plants at the top of the planting soil can absorb and digest a part of catchment water, and the whole structure prevents external impurities from entering the drainage ditch to cause blockage of the drainage ditch.

The present application relates to railway roadbed technical field, disclose a kind of railway roadbed anti-seepage drainage system, comprising: solid waste base composite anti-seepage layer, solid waste base composite anti-seepage layer is set in the upper of road basic body along height direction;Hierarchical solid waste drainage layer, hierarchical solid waste drainage layer is set between solid waste base composite anti-seepage layer and road basic body;Slope anti-seepage slope protection layer, slope anti-seepage slope protection layer is set on roadbed slope;Intercepting and draining structure, intercepting and draining structure is set on solid waste base composite anti-seepage layer;Roadbed side drainage system, roadbed side drainage system is respectively communicated with hierarchical solid waste drainage layer, slope anti-seepage slope protection layer and intercepting and draining structure, suitable for collecting liquid from hierarchical solid waste drainage layer, slope anti-seepage slope protection layer and intercepting and draining structure and leads to the range of roadbed. Hierarchical solid waste drainage layer rapidly leads to drainage leachate, cooperates with roadbed side drainage system to collect and process, reduces water body invasion risk. Slope anti-seepage slope protection layer intercepts slope water body penetration, leads into drainage system, prevents penetration road basic body.

The utility model relates to the technical field of dry stream construction, in particular to an ecological water storage system for a sponge dry stream garden, which comprises a soil layer and is characterized in that a trapezoidal concave area is arranged in the soil layer, a non-woven fabric layer is arranged at the bottom of the trapezoidal concave area, a gravel layer is arranged at the top of the non-woven fabric layer, a coarse sand layer is arranged at the top of the gravel layer, and a water storage layer is arranged at the bottom of the coarse sand layer. A landscape stone layer is arranged at the top of the coarse sand layer, a vegetation layer is arranged at the top of the landscape stone layer, a water storage layer is arranged on the surface of the top of the vegetation layer, and the other end of the permeation pipe sequentially penetrates through the water storage layer, the vegetation layer, the landscape stone layer, the coarse sand layer and the gravel layer and is connected with a water storage assembly; according to the utility model, through the layered filtration of the water storage layer, the vegetation layer, the landscape stone layer, the coarse sand layer and the gravel layer and the filtration effect of plants, soil and microorganisms, rainwater is purified and is further used for irrigation, landscape water and the like, and most impurities in the rainwater can be filtered through the associated cooperation of the filter screen, the filter lattice and the filter tank.

The application discloses a sports ground with water storage and treatment functions, and relates to the technical field of rainwater storage and treatment, which comprises a ground body arranged on the ground and a foundation pit with an opening at the upper end and arranged on the lateral side of the ground body. A lifting baffle is arranged in the foundation pit and is in sliding sealing connection with the opening of the foundation pit. A plurality of aeration nozzles are arranged on the surface of the ground body. A screw rod, an energy storage assembly and an aeration fan are arranged in the foundation pit. The screw rod is rotationally arranged on the inner wall of the foundation pit and is in driving connection with the input end of the energy storage assembly through the end head. The lifting baffle is connected with a nut. The nut is threadedly rotationally arranged on the screw rod. The output end of the energy storage assembly is in driving connection with the input end of the aeration fan. The output end of the aeration fan is in communication with the aeration nozzles. The sports ground can have the water storage and treatment functions, and the accumulated water can be treated to a certain extent.

The utility model provides an ecological water-saving treatment device which comprises sewage collecting boxes, the sewage collecting boxes are located at the lower ends of the two sides of a road, collecting hoppers are embedded into the upper surfaces of the two sides of the road and communicated with the sewage collecting boxes at the lower ends, and filter screens are arranged on the upper surfaces of the collecting hoppers and perfectly matched with the road. One side, far away from the road, of the water supply tank is connected with a second L-shaped pipeline, the second L-shaped pipeline is communicated with a plurality of water supply pipelines, and the upper ends of the water supply pipelines are communicated with a plurality of spraying pipes. By collecting and treating rainwater, the problem of drainage caused by increase of urban impervious area is solved, water resources are effectively saved, lawn irrigation cost is reduced, urban drainage pressure is relieved, environment quality is improved, the sustainable development concept is met, powerful support is provided for urban greening and ecological construction, and the ecological environment is protected. Wide popularization values are realized.

The utility model belongs to the technical field of building construction, and particularly discloses a building construction rainwater diversion structure which comprises a water storage pool and a water filtering assembly, and the water filtering assembly is arranged in the water storage pool and used for filtering collected rainwater. The indication assembly is arranged on the inner wall of the water storage tank, and the indication assembly is used for prompting the collection amount of rainwater in the water storage tank; through the arrangement of the water filtering assembly, when water is accumulated in rainstorm weather with large rainfall capacity, the elastic force of a spring is overcome through pressure generated by accumulated water, so that a flow guide plate is pressed to move into a connecting frame, impurities can be filtered under the action of a filter screen, and the circulation area of water is increased when the water is accumulated through a flow channel; and therefore, the water accumulation condition is relieved, the drainage pressure on the foundation pit is reduced, and the situation that the drainage pressure is increased due to the fact that accumulated water enters the interior of the foundation pit due to rainstorm weather is effectively prevented.