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36results about How to "Good water blocking effect" patented technology

Multi-element monitoring intelligent flood control dam

ActiveCN119195073AImprove flood protectionensure safetyDamsBarrages/weirsWater storageNatural disaster
The invention relates to the technical field of water conservancy flood control engineering, in particular to a multi-element monitoring intelligent flood control dam. The system comprises a dam body structure system and a monitoring system, the monitoring system comprises a water body monitoring system and an environment monitoring system, the dam body structure system comprises a fixed dam body and a movable dam body, and the water body monitoring system comprises a water level monitoring device, a flow monitoring device and a flow velocity monitoring device. The environment monitoring system comprises a rainfall monitoring device and a soil body monitoring device. The dam body structure system is used for adjusting water storage and flood control, the monitoring system is used for monitoring related data of a dam body and a river channel, disaster prediction and early warning can be conducted by means of various data, the safety of the dam and the downstream is effectively guaranteed, and the water body monitoring system is beneficial for guaranteeing monitoring of the upstream of the dam body. The environment monitoring system is favorable for predicting the influence on the river channel and the dam body through monitored environment data, and comprehensively judging and predicting natural disasters and environment changes.
Owner:山东华特智慧技术有限公司

Heat-insulating shrinkage-reducing type water plugging grouting material suitable for high-temperature hot water tunnel and preparation method of heat-insulating shrinkage-reducing type water plugging grouting material

InactiveCN119100722Aconvenience to workClotting time regulationSolid waste managementSoil scienceWater leakage
The invention belongs to the field of tunnel water plugging grouting materials, and particularly discloses a heat-insulating shrinkage-reducing type water plugging grouting material suitable for a high-temperature hot water tunnel and a preparation method of the heat-insulating shrinkage-reducing type water plugging grouting material. The water plugging and grouting material for the high-temperature hot water tunnel is mainly formed by mixing a multi-element gel composite material component, a heat insulation material component, a reinforcing, toughening and shrinkage reducing component, a water dispersion resisting component, a special admixture for the high-temperature hot water grouting tunnel and the like. The water plugging grouting material for the high-temperature hot water tunnel is suitable for water leakage in the high-temperature hot water tunnel, and has the advantages of good working performance and long-term durability, high material strength, low water permeability coefficient, environmental protection and the like. The setting time of the admixture can be regulated and controlled within 30-5 minutes through the admixture special for the high-temperature hot water tunnel grouting material, and the admixture has good operability so as to meet the construction requirements of actual engineering. Under the synergistic effect of materials with a certain proportioning ratio, the water plugging grouting material has better mechanical properties and durability than a traditional water plugging grouting material, and also has good shrinkage resistance and heat insulation performance. The grouting material disclosed by the invention is good in groutability, easy to inject into tunnel surrounding rock cracks, high in stability, relatively good in later strength and durability, and particularly suitable for water plugging construction of high-temperature hot water tunnels.
Owner:RAILWAY CONSTR RES INST OF CHINA ACAD OF RAILWAY SCI CO LTD +2

Water stopping and slab staggering preventing connecting structure between steel-concrete combined hanging box wallboards

ActiveCN222435327UReduce flood riskGood water blocking effectFoundation engineeringWater stopArchitectural engineering
The utility model discloses a steel-concrete combined hanging box wall plate water stopping and slab staggering preventing connecting structure which comprises a plurality of pairs of C-shaped pieces and a plurality of I-shaped pieces, each pair of C-shaped pieces is fixedly installed on a hanging box wall plate used for being matched with the connecting structure for use, and each hanging box wall plate comprises a plurality of sections of steel plate piles which are sequentially arranged; the steel sheet pile comprises a first steel sheet pile section, a middle steel sheet pile section and a tail steel sheet pile section, a connecting cavity is formed between the first steel sheet pile section and the tail steel sheet pile section, all pairs of C-shaped pieces are arranged in the diameter direction of the hanging box, and the two C-shaped pieces in the same pair are installed on the first steel sheet pile section and the tail steel sheet pile section correspondingly; openings of the C-shaped pieces are formed in the sides close to each other, and the I-shaped pieces are inserted into the two C-shaped pieces in the same pair at the same time through the openings of the two C-shaped pieces. The water stop structure has a good water stop effect on the wall plate connecting section.
Owner:CRCC HARBOR & CHANNEL ENG BUREAU GRP

Sewage tank and cleaning equipment

The utility model provides a sewage tank and cleaning equipment, the sewage tank comprises a sewage tank body and a sewage tank cover, the sewage tank cover is covered on the sewage tank body, the local outer wall of the top end of the sewage tank body protrudes outwards to form a boss, the boss is provided with an air outlet and a sewage inlet which respectively penetrate through the lower surface of the boss, and the sewage tank cover is arranged on the sewage tank body. The sewage tank further comprises a first baffle and a second baffle, the first baffle and the second baffle are fixedly connected to the sewage tank body or the sewage tank cover, and the first baffle and the second baffle are arranged on the outer side of the air outlet in a spaced mode. Projections of the first baffle plate and the second baffle plate are positioned on the boss so as to prevent sewage in the sewage tank body from entering the suction motor. According to the sewage tank, the effect of preventing sewage from entering the suction motor can be improved, and the space utilization rate of the sewage tank is high.
Owner:NINGBO EAST ENVIRONMENTAL PROTECTION MACHINERY CO LTD

Flood-proof roller shutter door

ActiveCN222595904Uhigh strengthAvoid deformation failureSupport surface
The utility model discloses a flood-proof roller shutter door. The flood-proof roller shutter door comprises a roller shutter assembly, the roller shutter assembly comprises a plurality of roller shutter pieces and a plurality of flood-proof baffles which are connected in sequence, the roller shutter pieces are hinged, the flood-proof baffles are hinged, the roller shutter pieces and the flood-proof baffles are hinged, and the roller shutter pieces and the flood-proof baffles are detachably connected; the roller shutter mechanism is connected with the roller shutter pieces located at the head end of the roller shutter assembly and used for driving the multiple roller shutter pieces and the multiple flood-proof baffles to be rolled or stretched. The pressing mechanism comprises a first pressing assembly and a second pressing assembly, the first pressing assembly comprises a first driving part and a pressing plate, and the first driving part is connected with the pressing plate and used for driving the pressing plate to press the multiple flood-proof baffles in the horizontal direction; the second pressing assembly is used for pressing the multiple flood-proof baffles on the supporting face in the vertical direction. By means of the mode, the flood-proof rolling shutter door can efficiently and conveniently achieve the water retaining effect.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST +1

Water plugging method and device for high-water-content oil well

The invention discloses a water plugging method and device for a high-water-content oil well, and the method comprises the steps: obtaining the oil reservoir geological information of a target water plugging well, and analyzing a water discharge reason based on the oil reservoir geological information; determining a water plugging strategy based on the water outlet reason; based on the oil reservoir geological information, establishing a three-dimensional geological model for the target water plugging well; simulating and representing a dynamic water plugging process of the water plugging strategy in a three-dimensional geologic model by utilizing a physical simulation method, and simulating the processes of oil well water channeling, water plugging construction and post-plugging production of the target water plugging well by utilizing a numerical simulation method; selecting a plugging agent according to the actual oil reservoir demand and the site construction condition of the target plugging well, and determining an auxiliary agent of the plugging agent to prepare the plugging agent; and performing water plugging construction on the target water plugging well by utilizing the prepared plugging agent according to a simulation process of water plugging construction. The water plugging efficiency and the water plugging effect of the target water plugging well are improved.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY

Barrier-free shower door

The utility model discloses a barrier-free shower door which comprises a water retaining profile hinged to the lower end of a movable door, the water retaining profile is connected with a water retaining piece used for abutting against the ground, and a magnetic piece is arranged on the water retaining profile. The two mounting seats are connected with the door frame, and magnets are arranged on the mounting seats; the barrier-free shower door is configured in the mode that when the movable door is closed relative to the door frame, the magnetic piece and the magnet are connected in a magnetic attraction mode, so that the water retaining sectional material and the water retaining piece rotate downwards relative to the movable door, and the water retaining piece is in sealed connection with the two mounting bases. The bathroom water retaining structure can solve the problems that people go in and out of an existing bathroom water retaining structure inconveniently, and people are prone to stumbling accidents.
Owner:FOSHAN KENING INTELLIGENT EQUIP CO LTD

Functional ionic liquid enhanced polyacrylamide-based gel particle plugging agent and preparation method thereof

PendingCN119119358Agood chemical stabilityAdjustable physicochemical propertiesOrganic chemistryDrilling compositionPolymer scienceAugmented Gel
The invention belongs to the technical field of preparation of gel particles, discloses a functional ionic liquid enhanced polyacrylamide-based gel particle plugging agent and a preparation method thereof, and designs a novel polymer gel particle plugging agent which is based on an ionic liquid cross-linking agent and can be used for oil well fracturing modification. The polymer gel particle plugging agent is prepared by adopting free radical polymerization, a microfluid technology and a titration gel method, and the preparation process is simple. The ionic liquid is used as the cross-linking agent to prepare the gel particle plugging agent, the gel particle plugging agent is good in thermal stability and stable in chemical property, and compared with a gel particle plugging agent prepared by a common cross-linking agent, the gel particle plugging agent prepared by using the ionic liquid as the cross-linking agent has better stability, high temperature resistance and compressive strength. Experiments show that when the content of the ionic liquid cross-linking agent reaches 1.5%, the compressive strength of the polymer gel particles reaches the maximum value. Therefore, within a certain range, a proper amount of ionic liquid cross-linking agent can effectively enhance the mechanical properties of the gel particles.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Grouting water retention device for coal mining

The grouting water retention device comprises a coal seam body, a limiting ring vertically penetrates through the top face of the coal seam body, a partition plate is fixedly connected to the inner wall of the limiting ring, a shaft ring vertically penetrates through the center of the top of the partition plate, and a shaft core is rotationally connected to the inner wall of the shaft ring. After the grouting pipe is directly pulled out of the large lantern ring, the conical lantern ring and the small lantern ring, the top plugging disc and the bottom plugging disc are rotated, the large lantern ring, the conical lantern ring and the small lantern ring can be staggered, at the moment, the small lantern ring can be shielded by the partition plate, meanwhile, the conical lantern ring can be shielded by the top plugging disc, and therefore the plugging effect is achieved; after the top plugging disc rotates by 180 degrees, the plugging block just moves to the position over the conical lantern ring, the plugging block can rapidly fall into the conical lantern ring along with pushing of the spring body, at the moment, the outer wall of the plugging block is tightly attached to the inner wall of the conical lantern ring, the water plugging effect is improved, and meanwhile the time of workers is saved.
Owner:SHAANXI YULIN ENERGY GRP YUSHEN COAL POWER CO LTD +3

Strong-water-permeability sand layer reinforcing method based on environment-friendly slurry

PendingCN119466877AIncrease fines contentReduce porosityFungiBacteriaMicroorganismKaolin clay
The invention relates to the technical field of tunnel construction, and discloses a strong-water-permeability sand layer reinforcing method based on environment-friendly slurry, which comprises the following steps: preparing kaolin slurry and microorganism slurry for later use, determining a drilling position, drilling a preset pile position to a designed elevation, injecting the kaolin slurry into a drilled hole, and injecting the microorganism slurry into the drilled hole; and after the kaolin is completely deposited, injecting the microorganism slurry. According to the idea of first infiltration reduction and then reinforcement, environment-friendly slurry is adopted, high-pressure rotary jet grouting is conducted on the sand layer, kaolin slurry is injected firstly, water in the water-containing sand layer is absorbed, the porosity of the water-containing sand layer is reduced, and therefore the water plugging effect is achieved, the porosity and permeability of the sand layer are reduced, and the adhesion area of bacteria is increased; and then microorganism slurry is injected to reinforce the sand layer in a mode of inducing calcium carbonate crystallization by microorganisms.
Owner:GUANGZHOU MARITIME INST

Fin-tube heat exchangers, evaporative condensers and refrigeration units

ActiveCN110285691BGood water blocking effectprevent scurryingEvaporators/condensersStationary conduit assembliesRefrigerationMechanics
The present disclosure provides a fin-tube heat exchanger, an evaporative condenser and a refrigeration unit. The fin-tube heat exchanger includes a heat exchange tube and a plurality of fins, wherein the fin includes: a fin body having an airflow inlet end and an airflow outlet end that are relatively arranged, the heat exchange tube is passed through the fin body, the fin bodies of the plurality of fins form an airflow channel, the airflow for heat exchange with the fin-tube heat exchanger enters the airflow channel from the airflow inlet end and leaves the airflow channel from the airflow outlet end; and a water retaining portion, the water retaining portion is arranged on the fin body and located in the airflow channel to block water droplets carried in the airflow, wherein the water retaining portion includes at least one of a first water retaining structure arranged at the airflow inlet end of the fin body and a second water retaining structure arranged at the airflow outflow end of the fin body. The fin-tube heat exchanger of the embodiment of the present disclosure has a self-contained water retaining function and has excellent water retaining capacity.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Flood prevention protection slope for water conservancy project

The invention provides a flood prevention protection slope for a water conservancy project, belongs to the technical field of flood prevention, and solves the problem that existing flood prevention equipment cannot block water along with rising of the water level. The device comprises a water retaining base, a water retaining plate, a plurality of supporting assemblies, a plurality of adjusting assemblies, a plurality of moving assemblies and a plurality of flood prevention assemblies. The water retaining base is installed on the slope surface of the flood prevention dam, the supporting assembly is fixed to the water retaining base, the water retaining plate is arranged on the water retaining base, and the moving assembly is located between the water retaining plate and the supporting assembly; the adjusting assembly comprises a power mechanism and a rotary lifting mechanism, and the power mechanism is in power connection with the rotary lifting mechanism to control the rotary lifting mechanism to ascend and descend; the flood prevention assembly is detachably arranged on the moving assembly, the interior of the flood prevention assembly is hollow and filled with gravel, the height of the equipment is adjusted according to the water level rising condition, the water blocking effect is good, and use is flexible.
Owner:CHINA THREE GORGES UNIV

Flood control device and flood control method for water conservancy project

The invention belongs to the technical field of water conservancy projects, and particularly relates to a water conservancy project flood control device which comprises a mounting frame, a third vertical plate and a baffle, the third vertical plate is rotationally assembled on the mounting frame through a first circular shaft, and the baffle sleeves the third vertical plate and is assembled on the mounting frame in an up-down sliding mode. A second driving mechanism for driving one end of the baffle to horizontally enter and exit from the mounting frame and driving the first circular shaft to rotate is arranged between the baffle and the third vertical plate, the second driving mechanism comprises a driving plate, a third gear, a grooved wheel and a rack matched with the third gear, the driving plate and the third gear are coaxially and rotatably assembled on the second vertical plate, and the grooved wheel is fixedly assembled on the first circular shaft and is coaxial with the first circular shaft; a protruding block is arranged on the drive plate, a notch matched with the protruding block is formed in the grooved wheel, the rack is fixedly arranged on the baffle, the third gear rotates to drive the baffle to horizontally move in the transverse extending direction of the third vertical plate, and the drive plate rotates to drive the baffle and the third vertical plate to rotate by a preset angle. The technical problems that the baffle is inconvenient to install and not flexible to use can be solved.
Owner:WUXI WATER CONSERVANCY DESIGN & RES INST CO LTD

Cofferdam structure for water conservancy building construction

The utility model relates to the technical field of cofferdam structures, in particular to a cofferdam structure for water conservancy building construction, which comprises a plurality of fixing units forming the cofferdam structure, each fixing unit comprises a fixing bottom plate, and two sides of the top surface of each fixing bottom plate are fixedly connected with supporting and fixing frames. The edges of the two sides of the side faces, facing each other, of the two supporting and fixing frames are fixedly connected with inserting rail grooves. The supporting and fixing frame has the advantages that the fixing bottom plate is fixed to the water bottom through the fixing piles, the fixing piles directly penetrate through the fixing bottom plate and are driven into the water bottom through a pile driver, so that the supporting and fixing frame forms a cofferdam structure in a surrounding mode and is fixed into water flow, and due to the fact that the supporting and fixing frame is of a frame structure, water resistance is small, and stable driving is facilitated; the water retaining inserting plates are inserted into the inserting rail grooves, water retaining is directly achieved, installation is convenient, only inserting and pulling are needed, and then the space between the supporting and fixing frames is filled with filler, so that the water retaining depth is increased, the water retaining effect is improved, and the sealing performance is better.
Owner:程凯

A vertical shaft three-rotation working face pre-grouting process

ActiveCN117514182BSolve the problem of unsatisfactory grouting effectImprove the water blocking effect of grouting
The application discloses a vertical shaft three-rotation working face pre-grouting process and belongs to the vertical shaft construction field. It comprises the following steps: one, laying a water filtering layer, and then pouring a grout-stopping pad on the water filtering layer; two, selecting a grouting pressure and a slurry diffusion radius; three, arranging grouting borehole positions, and arranging three circles of grouting boreholes from outside to inside; four, drilling, grouting and hole-sweeping and re-grouting of the three circles of grouting boreholes from outside to inside in sequence. The application can be applied to deep wells with water-bearing rock bodies existing in the condition of slow fissure underdevelopment and steep fissure development, reduces the number of boreholes, improves the water plugging effect, and guarantees the safe construction of the shaft.
Owner:ANHUI MAGANG LUOHE MINING CO LTD

A mine water blocking device

ActiveCN116084999Bensure safetyAchieve water blocking effectUnderground chambersClimate change adaptation
This application provides a mine water blocking device, including a triggering component, a supporting component, a locking component, and a main frame. The triggering component includes a trigger head, a trigger rod, and a counterweight rod. The counterweight rod is sleeved on the outside of the trigger rod, and the trigger rod can move along the inner wall of the counterweight rod. The main frame is hinged to the top of the counterweight rod. The supporting component includes a supporting bone and a movable disc. The supporting bone is connected to the main frame, and one end of the supporting bone is hinged to the edge of the movable disc. The movable disc is sleeved on the outer wall of the counterweight rod. The locking component is disposed inside the movable disc. The movement of the trigger rod triggers the locking component. The movable disc has an open state that unfolds the main frame and a closed state that retracts the main frame. The movement of the trigger head and the trigger rod unlocks the locking structure, causing the movable disc to move, the main frame to unfold, and a water blocking wall to be quickly formed. After the water blocking device is unfolded, the counterweight rod can fall at an angle to the water surface, allowing the main frame to form a skeleton structure, providing a higher support effect for the formation of the water blocking wall.
Owner:SHANDONG UNIV OF SCI & TECH

Motor waterproof structure of food material chopping machine

The utility model provides a motor waterproof structure of a food material chopper, and belongs to the technical field of machinery. The problem that an existing chopper motor is poor in waterproof performance is solved. According to the food material chopping machine, the food material chopping machine comprises a machine base with an inner cavity and a motor vertically arranged in the machine base, the motor comprises an upper end cover and a rotor shaft, a vertically-penetrating through hole is formed in the machine base, the upper end of the rotor shaft sequentially penetrates through a center hole of the upper end cover and the through hole, and the waterproof structure comprises an oil seal arranged in the through hole. Sealing is formed between the rotor shaft and the inner wall of the through hole through an oil seal, a water retaining ring sleeves and is fixed on the rotor shaft, the water retaining ring is positioned between the oil seal and the upper end cover, and the water retaining ring is not in contact with the upper end cover; the inner side wall of the water retaining ring is tightly contacted with the outer wall of the rotor shaft to form sealing, and the outer diameter of the water retaining ring is larger than that of the center hole of the upper end cover. The waterproof performance of the motor can be enhanced.
Owner:ZHEJIANG QIANJIAHUI ELECTRICAL EQUIP CO LTD

Water conservancy anti-flood wall

The utility model discloses a water conservancy anti-flood wall which comprises a bottom plate, two fixing piles are integrally formed on the outer wall of the top of the bottom plate, heightening frames are arranged on the outer walls of the tops of the fixing piles, limiting cavities are formed in the outer walls of one sides of the heightening frames and the outer walls of one sides of the fixing piles, and check blocks are connected into the limiting cavities in a sliding mode. A fixing strip is integrally formed on the outer wall of the top of the bottom plate, limiting grooves are formed in the outer walls of the bottoms of the check blocks, and the fixing strip is sleeved with the limiting grooves; by means of the heightening frame and the stop blocks, the stop blocks can be conveniently installed by workers in the using process through the limiting strips arranged at the tops of the stop blocks and the limiting grooves formed in the bottoms of the stop blocks, connection between the stop blocks is tighter, and the efficiency of installing the stop blocks by the workers and the water retaining effect are improved; and the heightening frame can be installed at the top of the fixing pile during use, the stacking height of the check blocks can be increased, and therefore the water blocking effect of the anti-flood wall can be improved during use.
Owner:CHONGQING DESHENG DINGSHENG IND DEV CO LTD

A geopolymer-modified grouting material and its preparation method

This invention discloses a geopolymer-modified grouting material and its preparation method. The invention utilizes a composite activator and modifier to disrupt, depolymerize, and repolymerize the structure of coal gangue, fully activating it and giving it strong cementitious properties. This results in a geopolymer-modified grouting material with a three-dimensional network structure. The mass ratio of coal gangue powder: desulfurized gypsum powder: microsilica powder: composite activator: modifier = 100:8:5:5:3. The test data of the prepared geopolymer-modified grouting material for water control and foundation grouting are as follows: The grout was prepared with a water-cement ratio of 1:1, and its properties were measured as follows: fluidity 260 mm; stone formation rate 99.8%; initial setting time 990 min, final setting time 2112 min; 3-day plastic strength 1211.6 kPa; 7-day compressive strength 8.82 MPa; free expansion rate 0.3%.
Owner:CHINA ENERGY CHEM JIANGSU MINING ECOLOGY RES INST CO LTD

A flood control drainage channel for underground garages to improve traffic efficiency

The present invention relates to the technical field of sewage discharge, and discloses an underground garage flood control drainage ditch for improving traffic efficiency, comprising a main lower water body, wherein the main lower water body is provided with a main lower water trough, a first plate is rotatably provided on one side of an opening on the upper side of the main lower water trough, the first plate is provided with a leakage trough, a second plate is hingedly provided on one end of the first plate, an extension plate is provided on one side of the main lower water body, and one end of the second plate is slidably connected in the extension plate. By arranging the main lower water body, the extension plate, the first plate, the second plate, etc., the second plate can move in the extension plate to push the first plate to swing upward to a certain angle, and the height of the second plate can be adjusted, thereby improving the ability to block rainwater at the garage entrance. When a car passes through the device, the second plate and the first plate can be rotated downward and compressed to avoid blocking the car from passing.
Owner:马铭波

A multi-factor monitoring intelligent flood control dam

ActiveCN119195073BImprove flood protectionensure safetyDamsBarrages/weirsWater storageNatural disaster
The present invention relates to the technical field of water conservancy and flood control engineering, and in particular to a multi-factor monitoring intelligent flood control dam. The present invention includes a dam structure system and a monitoring system, the monitoring system includes a water body monitoring system and an environmental monitoring system, the dam structure system includes a fixed dam body and a mobile dam body, the water body monitoring system includes a water level monitoring device, a flow monitoring device and a flow velocity monitoring device, and the environmental monitoring system includes a precipitation monitoring device and a soil monitoring device. The dam structure system is used to regulate water storage and flood control, and the monitoring system is used to monitor the relevant data of the dam body and the river channel, which is conducive to using a variety of data to predict and warn disasters, and effectively ensure the safety of the dam and downstream. The water body monitoring system is conducive to ensuring the monitoring of the upstream of the dam body, and the environmental monitoring system is conducive to predicting the impact on the river channel and the dam body through the monitored environmental data, and comprehensively judging and predicting natural disasters and environmental changes.
Owner:山东华特智慧技术有限公司

Water retaining device for water conservancy construction

The utility model belongs to the technical field of water conservancy construction, and particularly relates to a water retaining device for water conservancy construction, which comprises a baffle plate, a dovetail seat and a dovetail groove, the dovetail seat is integrally formed on the surface of one end of the baffle plate, the dovetail groove is arranged on the surface of the other end of the baffle plate, and the dovetail seat and the dovetail groove are mutually inserted and connected. A bottom inserting plate is integrally formed on the surface of the bottom of the baffle, the bottom of the bottom inserting plate is of a conical structure, a sawtooth groove is formed in the surface of the bottom of the bottom inserting plate, guide sleeves are symmetrically welded to the surface of the baffle, and positioning bolts are movably inserted into inner cavities of the guide sleeves. The bottom inserting plate can block water permeating into soil, the water retaining effect can be improved during water conservancy construction, the positioning plug pin is movably arranged on the surface of one side of the baffle through the guide sleeve, after the baffle is spliced and fixed, the positioning plug pin is inserted into the soil, the installation difficulty of the baffle can be reduced, meanwhile, the installation precision of the baffle can be improved, and the installation efficiency of the baffle is improved. And the water blocking effect is better.
Owner:FUJIAN XINLIANZHONG CONSTR DEV CO LTD

Reverse drainage quick plugging structure

ActiveCN222557568UGood water blocking effectEmbankmentsEarth-fill damsStructural engineeringDrainage tubes
The utility model relates to a reverse drainage quick plugging structure which is used for plugging a reverse drainage pipe of a concrete faced rockfill dam, the concrete faced rockfill dam comprises a toe board and a panel, and the reverse drainage pipe is arranged on the side, close to the panel, of the toe board. The reverse drainage quick plugging structure comprises an SR extrusion bag, preshrinking mortar and a plugging cover plate, the SR extrusion bag is arranged at the bottom of the reverse drainage pipe, the preshrinking mortar is arranged in the reverse drainage pipe and extends to an orifice of the reverse drainage pipe from one side of the SR extrusion bag, the plugging cover plate covers the orifice of the reverse drainage pipe, and the SR extrusion bag is arranged at the bottom of the reverse drainage pipe. And the plugging cover plate is fixedly connected with the toe board. According to the reverse drainage quick plugging structure, the reverse drainage plugging time can be shortened, the lifting amplitude of the water level of the dam body in the plugging period is reduced, and meanwhile the reverse water pressure jacking problem in the plugged dam body is solved through the measures of soil filling in the foundation pit, auxiliary saddle weights and water body pressing covering after water filling.
Owner:POWERCHINA HUADONG ENG CORP LTD

Expansion plugging material for leakage of cracks or karst caves

The invention discloses an expansion leaking stoppage material for crack or karst cave leakage, which comprises an elastic leaking stoppage ball body, the elastic leaking stoppage ball body adopts an elastic steel wire ball as a framework, and after the diameter of the elastic leaking stoppage ball body is compressed to 1 / 2-1 / 3 of the natural state, the elastic leaking stoppage ball body is sealed in paraffin. The preparation method comprises the following steps: firstly, respectively dissolving sodium alginate and polyvinyl alcohol, mixing, adjusting the pH value of the mixed solution to weak acidity, reacting with polyethylene glycol diglycidyl ether to prepare a multi-block copolymer, adding methanol, and stirring to prepare the hydrogel water shutoff agent. And mixing the mixture particles with triethanolamine borate and calcium lactate microcrystals, so as to prepare the high-strength interpenetrating network hydrogel water shutoff agent which is sensitive to calcium ions and borate ions at the same time. The leaking stoppage material can be easily fed to a leakage well section, can be highly expanded, and can easily stay in a leakage channel and be stacked to form a bridge structure, so that the leaking stoppage success rate is increased.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +1

Flood-control anti-seismic building structure

ActiveCN222332590UEasy to liftGood water blocking effectDamsDykesArchitectural engineeringSupport plane
The utility model discloses an anti-flood anti-seismic building structure, which belongs to the technical field of building safety, and comprises a support frame and a support plate, the support frame is provided with a lifting groove, the support plate is movably arranged in the lifting groove, the bottom of the support plate is provided with a bottom plate, the outer wall of the bottom plate is provided with an air cushion, and the air cushion is provided with an air outlet. By means of an air cushion arranged on a bottom plate, a supporting plate can be conveniently lifted up through pressure generated by water in the using process, so that the water retaining effect of the device is improved, the using effect of the device is improved, a drainage frame is arranged beside a supporting frame, a water guiding groove communicated with a lifting groove is formed in the drainage frame, and the water guiding groove is communicated with the lifting groove. A water guiding groove is formed in the supporting frame, a limiting base is arranged in the water guiding groove, a plurality of clamping plates are symmetrically arranged on the outer wall of the supporting frame, a water guiding frame is arranged on the drainage frame, and water outlet holes are formed in the water guiding frame. The anti-flood and anti-seismic building structure is simple in structure, reasonable in design and good in practicability.
Owner:THE ARCHITECTURAL DESIGN & RES INST OF ZHEJIANG UNIV CO LTD

Assembly type fence inner side anti-overflow base and construction method thereof

PendingCN119531669AAvoid cumbersome proceduresEasy constructionFencingArchitectural engineeringRoad surface
The invention relates to the technical field of road construction, and particularly discloses an assembly type fence inner side anti-overflow base and a construction method thereof.The assembly type fence inner side anti-overflow base comprises multiple stop blocks, the bottom ends of the stop blocks are used for being buried in a concrete pavement, the stop blocks abut against one another, one side of each stop block is fixedly connected with a positioning block, and the other side of each stop block abuts against the corresponding positioning block; a positioning groove is formed in the other side of each stopping block and used for containing the positioning block on the adjacent stopping block, and a chiseling-free grout stopping belt is arranged at the bottom end of each stopping block and used for being buried in a concrete pavement. The construction process can be simplified, and the construction period can be shortened; the stop blocks are arranged in a separated mode, so that follow-up dismantling is facilitated, the stop blocks can be repeatedly used after being dismantled, the utilization rate of materials is increased, and cost is reduced; and the supporting mechanism is used for supporting the pre-embedded block, so that the anti-overflow base can still have a good water retaining effect when being installed on an uneven road surface, and the applicability is higher.
Owner:BEIJING CHONGJIAN ENG +1

Method for controlling the use of water shutoff agents in oil wells in bottom water reservoirs

PendingCN122304658AEffective blockingcontrol distributionEnvironmental engineeringBottom water
This application discloses a method for controlling the use of water-blocking agents in wells of bottom-water reservoirs. The method includes: obtaining the reservoir properties and fluid seepage mechanism of the bottom-water reservoir, wherein the reservoir properties include at least formation porosity; establishing a mathematical model for the dosage of water-blocking agents based on the reservoir properties and the fluid seepage mechanism, and determining the total dosage of water-blocking agents for the wells of the bottom-water reservoir based on the mathematical model; determining the dosage of multiple water-blocking agent slugs based on the total dosage of water-blocking agents, and obtaining the concentration of water-blocking agents in the multiple water-blocking agent slugs, wherein the sum of the dosages of water-blocking agents in the multiple water-blocking agent slugs is equal to the total dosage of water-blocking agents. The technical solution provided by this application can improve the water-blocking effect of wells in bottom-water reservoirs.
Owner:CHINA NAT PETROLEUM CORP +1

Lateral sliding door structure of shower room

ActiveCN224120128UGood water blocking effectHas buffering functionWing arrangementsWing suspension devicesStructural engineeringMechanical engineering
The utility model discloses a shower room side sliding door structure which comprises a movable glass door, a fixed glass door, a first sliding guide rail and a second sliding guide rail, the movable glass door and the fixed glass door are both vertically arranged, and the movable glass door is perpendicular to the fixed glass door; according to the structure, the first sliding guide rail and the second sliding guide rail are arranged, the first sliding part slides in the first sliding guide rail, the second sliding part slides in the second sliding guide rail, and the first sliding part and the second sliding part are hinged to the movable glass door, so that when the movable glass door moves to be opened, the movable glass door translates and swings; compared with a traditional side-hung glass door, the movable glass door with the structure has the advantages that the overall occupied space is saved after the movable glass door is opened, and the overall structure is practical and reliable.
Owner:ZHONGSHAN 0BETTER SANLTARY WARE CO LTD