9results about How to "Avoid washing away" patented technology

The invention relates to a quick plugging device and method for an in-well water burst dewatering well. The device comprises a grouting pipe (1), a bag (2), a grouting device (3) and a one-way flowing piece (4). The grouting pipe (1) comprises a grouting outer pipe (11) and a grouting inner pipe (12), the grouting outer pipe (11) is connected with the bag (2), a one-way flowing part (4) is arranged at the joint of the grouting outer pipe (11) and the bag (2), the grouting inner pipe (12) is connected with the grouting device (3), the grouting pipe (1) extends into a well pipe of a dewatering well (5), and the position of the bag (2) is higher than that of the grouting device (3). Compared with the prior art, the rapid plugging device for the dewatering well is provided when water bursts in the well and under the flowing water condition, cement grout can be prevented from being washed away by water flow when water bursts in the well and under the flowing water condition, and the dewatering well is effectively plugged.

The invention relates to the technical field of underground construction, in particular to a flowing water tunnel closure method, which comprises the following steps of: 1, collecting geological exploration data of a water inrush tunnel; 2, determining a tunnel closure section for constructing the closure wall; 3, water pumping and draining holes and injection holes are formed in the two ends of the ground position of the tunnel closure section; 4, a water flow velocity monitor is arranged downwards in the tunnel at the position of the injection hole, and flowing water in the tunnel is pumped and drained at the position of the water pumping and draining hole; 5, flowing water in the tunnel is continuously pumped and drained at the water pumping and draining hole, and when the flowing speed of the flowing water in the tunnel is monitored to be 0 through a water flow speed monitor, slag throwing, gravel throwing, concrete throwing and grouting operation is conducted at the injection hole; and 6, after the intercepting wall is constructed and solidified, water pumping operation at the water pumping and draining hole is gradually stopped, and the water level change at the water pumping and draining hole is monitored. According to the method, the mode of eliminating water power in advance is adopted, so that it is guaranteed that materials thrown and injected into the tunnel can be effectively connected with the roof, and therefore effective construction of the intercepting wall is achieved.

The invention relates to the technical field of embankment of river banks, dams, water channels or other similar projects, and discloses a partition coupling self-organizing ecological carbon sequestration river slope construction method. River bank surface soil water resources are concentrated in the lower-layer slope protection zone, and the surface soil water content in the upper-layer slope protection zone is kept at a stable low position, so that the surface soil water content fluctuation on the river bank is reduced; potential plant above-ground biomass is obtained according to indexes, influencing vegetation growth, of the river bank, the apical community type formed after slope protection zone vegetation is fully recovered is judged according to the potential plant above-ground biomass, and therefore plant combinations fully adapting to the river bank microenvironment are screened out, and plant propagules are prevented from being washed away in cooperation with meadow plants and initial soil preparation. All the points are combined, so that the planted plants can normally grow on the river bank with the exposed land and spontaneously organize into a stable plant community, and ecological carbon sequestration is completed by fully utilizing natural endowment of the river bank.

The utility model discloses a sampling device for water conservancy project quality detection, which comprises a device main body and a motor, a side output shaft of the motor is fixedly connected with a gear, one end of the side of the device main body is provided with an electric telescopic rod, one end of the side of the electric telescopic rod is fixedly connected with a fixing frame, and one end of the side of the fixing frame is provided with a fixing pile. One end of the side surface of the device main body is provided with a telescopic assembly for telescoping, and one end of the side surface of the telescopic assembly is provided with a sampling mechanism for sampling; through the telescopic assembly and the like, the device can adapt to various terrains, can be used for sampling sites according to needs, is more convenient to use, and can well keep samples through the sampling mechanism after sampling, so that the samples are prevented from being washed away by flowing water in the rising process after sampling, and the sampling efficiency is improved. And the sampling is more stable.

This invention discloses a semi-precast component and pile-forming equipment for cast-in-place piles in the field of precast pile technology, aiming to solve the problem of groundwater erosion carrying away the concrete of cast-in-place piles in existing technologies. It includes: an airbag inflated to the designed dimensions and shape of the cast-in-place pile through a gas exchange port; concrete is poured into the inflated airbag through a filling inlet and vented through the gas exchange port; the airbag prevents the concrete from being washed away by groundwater in the pile hole, greatly improving the quality of the cast-in-place pile; a skeleton provides support for the deflated airbag, maintaining its low-resistance shape; the airbag's low-resistance shape facilitates placement into the pile hole; after inflation, the skeleton expands radially within the cast-in-place pile, providing tensile strength, reinforcement, and crack resistance; and mud can be poured into the filling inlet to protect the pile hole and prevent collapse.

The utility model relates to the technical field of inland river flood control systems, in particular to a flood control system structure which comprises a soil body platform and additional platforms, a temporary flood control device is arranged between the soil body platform and the additional platforms, the top of the temporary flood control device extends out of the soil body platform, and the additional platforms comprise the first additional platform and the second additional platform. The upper portion of the first additional platform is filled with a soil body structure, a second additional platform is arranged on the outer side of the soil body structure, the outer side face of the second additional platform and the outer side face of the first additional platform form a continuous side slope, and the first additional platform and the second additional platform are both formed by piling up sand bags. According to the flood control system structure, the temporary flood control device is arranged between the soil body platform and the additional platforms and used for temporary flood control, the first additional platform and the second additional platform are both formed by piling up sand bags, scouring can be prevented, the soil body structure is prevented from being washed away, later excavation is further facilitated, and therefore the construction difficulty and the construction cost are reduced.

The application discloses a water quality purifying device for water body treatment, and relates to the technical field of water quality purification, which comprises a water quality purifier arranged in a river channel, wherein the water quality purifier comprises two groups of first frame bodies and second frame bodies arranged in parallel and symmetrically; the first frame bodies and the second frame bodies are fixedly connected through two groups of connecting frames arranged in parallel and symmetrically; the first frame bodies, the second frame bodies and the connecting frames enclose a purifier frame; wherein a plurality of groups of biological filler supports are arranged in an array mode in the purifier frame; an adjusting module is further arranged in the purifier frame, and the adjusting module is used for adjusting the spacing of the biological filler supports; the spacing of the biological filler supports of each layer can be adjusted in real time through the adjusting module, so that the spacing of the biological filler supports of each layer is larger; therefore, the water flow can flow in the gaps between the biological filler supports, the blocking of the water flow by the biological filler supports is reduced, the stability of the water quality purifier in the river channel is improved, and the water quality purifier is prevented from being washed away or washed out.

The utility model discloses a water conservancy construction interception device, and particularly relates to the technical field of water conservancy construction devices, the water conservancy construction interception device comprises a water channel and an expansion bag, and the expansion bag is settled, blocked and limited in the water channel through a laying assembly. A gas-liquid supply assembly is jointly arranged between the expansion bag and the floating bag along one side of the upstream direction of the water channel, and a pressure relief assembly is arranged at one end of the floating bag along the downstream direction of the water channel. According to the water conservancy construction interception device, the expansion bag can be attached to the inner walls of water channels in different shapes in a self-adaptive mode through the flexible characteristic of the expansion bag, the expansion bag is driven by water flow to automatically fill water, expand and plug, extra power equipment is not needed, the water channels in different shapes can be tightly plugged, and the applicability is enhanced; the expansion bag can rapidly sink into the water bottom through the arrangement assembly, so that the expansion bag can be rapidly filled with water to expand, and the situation that the expansion bag floats on the water surface and is difficult to expand due to the material characteristics of the expansion bag is avoided.

The utility model discloses a sewage treatment device with a self-adaptive filter material interception function, and relates to the technical field of sewage treatment. Comprising a filter tank main body, a water inlet pipe and a water outlet pipe which are communicated with the filter tank main body are respectively mounted on two sides of the filter tank main body, a filter area is arranged in the filter tank main body, a filter material intercepting assembly is arranged in the filter area, and backwashing assemblies are arranged at the bottom and the top of the filter tank main body. By arranging a fixed filter material frame, a movable filter material frame and an electric telescopic rod, the tightness degree of a filter material layer can be adjusted during backwashing, the loss of a filter material in the backwashing process is effectively reduced, the service life of the filter material is prolonged, and the operation cost is reduced; the filter materials are prevented from being mixed in the backwashing and normal operation processes, the stability of the filtering effect is guaranteed, and the filter material blocking grids formed by the multiple groups of blocking strips arranged on the grid plate further enhance the intercepting effect on the filter materials and prevent the filter materials from being washed away.