61 results about "Sediment trap" patented technology

The invention discloses a spiral-flow type hydraulically controlled rainwater intercepting and abandoning switch well system which comprises a spiral-flow type sand sediment trap and a rainwater intercepting trunk canal, wherein a rainwater inlet pipe for collecting rainwater in the spiral-flow type sand sediment trap, a rainwater outlet pipe which discharges rainwater primarily treated by the spiral-flow type sand sediment trap and an overflow pipe of a rainwater abandoned flow entering into the spiral-flow type sand sediment trap are arranged on the side wall of the spiral-flow type sand sediment trap. The installation position of the overflow pipe is higher than the installation positions of the rainwater inlet and outlet pipes. The water outlet of the rainwater outlet pipe is communicated with the rainwater intercepting trunk canal, and a water level control adjustable valve for controlling open and close of the water outlet of the rainwater outlet pipe according to the water level in the rainwater intercepting trunk canal is arranged on the side wall of the rainwater intercepting trunk canal. The spiral-flow type sand sediment trap can settle sand in rainwater entering into the spiral-flow type sand sediment trap to remove sediment and particle organic matters out of rainwater so as to reduce the environmental pollution caused by the abandoned rainwater and probable sedimentation of the trunk canal, caused by particles in the intercepted rainwater.

The invention provides an in-situ time-phased sediment trap which is suitable for lakes, rivers and other non-turbulent flow water bodies and can realize long-term monitoring and in-situ time-phased trapping of sediments to prevent a microenvironment of the sediments at the bottom of water from being damaged. The device comprises four parts, namely a base, a support system, a sampling pipe, a pipe frame system and a built-in fixed matrix. The base is of a cylinder with an opening at the upper end, and a convex ring is arranged in the base for carrying the sampling pipe and the pipe frame system; the support system is formed by welding three vertical main rods and a transverse ring sleeve together, the three main rods are distributed like an equilateral triangle and are used for being inserted into soil at the bottom of the water for playing roles in fixing and supporting the base, and four screws are arranged on the ring sleeve and are used for regulating the relative positions between the base and the ring sleeve, so that the height of the base is further regulated; the sampling pipe is detachably matched with the pipe frame system, and the number and the size specification can be customized according to requirements; and the built-in fixed matrix of the sampling pipe can fix the sediments which flow into the pipe in the pipe to avoid re-suspension.

The invention discloses cassava grinding equipment, which comprises a first conveying device, a particle grading device, a second conveying device, a grinding device, a third conveying device, a material collecting device and a sand sediment trap, wherein the particle grading device is used for grading cassava particles from the first conveying device and supplying small cassava particles obtained by grading and a small-particle mixture which comprises the small cassava particles and sand particles to the grinding device and the material collecting device through the second conveying device and the third conveying device respectively; the material collecting device is connected with the sand sediment trap; the sand sediment trap comprises a trap body, an inlet and an outlet; the small-particle mixture discharged by the material collecting device or serous fluid prepared from the small-particle mixture and water enters the trap body of the sand sediment trap through the inlet of the sand sediment trap; the trap body comprises a side wall and a bottom; the outlet is formed on the side wall; and the bottom is provided with at least one projecting part and/or at least one sinking part. The grinding equipment can grind cassava into particles of required size, is provided with sand removing equipment with a simple structure and can realize continuous sand removing operation; moreover, an operation process is relatively open and is convenient to monitor.

The multi-phase flow metering system facilitates the measurement of the flow of oil, gas, and/or other materials from one or more producing petroleum wells. The system has an expansion chamber to separate liquid and as phases. The gas rises through a pipe extending from the top of the expansion chamber. Liquids flow from the bottom of the expansion chamber through a generally U-shaped line having a sediment trap therein. Separate metering devices are provided in the gas outflow line and in the liquid line for accurately measuring the flow of each phase, and in the inlet line for measuring temperature, pressure, and flow at that point. The system includes float valves at the inlet to the gas outflow line and at the liquid phase outlet to control flow through the system. The gas outflow line may continue as a separate line, or reconnect to the liquid outflow line.

A partitioning sediment trap adapted to be positioned in a body of water comprising an elongate, vertically alignable transparent collecting tube having an open upper end and a closed lower end for collecting, over a longer period of time, natural materials, contaminants, and polluting substances that accumulate in the body of water. A generally funnel-shaped cone is positioned with the small diameter end thereof extending into the open end of the collecting tube to magnify the amount of material collected. Means are also provided for automatically and efficiently partitioning and isolating undisturbed material accumulated in the collecting tube at regular time intervals.

The invention discloses a tunnel fire-fighting system taking road surface water and tunnel surge water as water sources. The tunnel fire-fighting system comprises a drainage ditch, a longitudinal drainage and seepage ditch, a side ditch, a transverse drainage pipe, a road surface stream trough, a water quality sensor, a switching mechanism, a filtering pond, a sand sediment trap, a low-position water pond, a sewage pond, a pump room, a high-position water pond and a tunnel fire hydrant, wherein the filtering pond, the sand sediment trap, the low-position water pond, the sewage pond, the pump room, the high-position water pond and the tunnel fire hydrant are built nearby a tunnel. Due to the fact that road surface water and the tunnel surge water serve as the water sources, the water sources are more enough, water is convenient to fetch and the cost is reduced; due to the fact that the low-position water pond, the pump room and the high-position water pond are arranged, water pressure can be automatically provided for the tunnel fire hydrant; the switching mechanism is controlled to conduct the water inlet to the pump room or the sewage pond by judging whether the water sources are polluted the water quality sensor, so corrosion of the tunnel fire hydrant and a connecting pipeline due to a pollution source is avoided.

The invention discloses a sediment trapping device suitable for the shallow-sea soft seabed. The device comprises traps, a plurality of suspension arms, a frame and a floater rope, each trap is a pipe with a closed lower end, each closed end is provided with a weight, a protective net is covered outside an opening of an open end, the aperture of the protective net is 0.5-1cm, the suspension arms are arranged on the upper portion of the frame, suspension ropes are tied at the open end of each trap and the other ends of the suspension ropes are tied on free ends of the suspension arms to suspend the traps on the suspension arms, the floater rope is tied at the top end of the frame, the other end of the floater rope is tied with a secondary floater, a primary floater is tied in the middle of the floater rope, and a plurality of fixing pins are arranged on a base face of the frame. The sediment trapping device suitable for the shallow-sea soft seabed is simple in structure, solid, reliable, low in manufacturing cost, easy to manufacture and apply on site, light in equipment and convenient to transport and throw, underwater operations by divers are not needed, and influences on determination effect caused by substrate stirring are avoided during throwing and recovery of the device.

The invention discloses a tunnel fire-fighting system employing tunnel surging water as a water source. The tunnel fire-fighting system is characterized by comprising a seepage pipe, a central draining ditch, a side ditch, a transverse draining pipe, a sand sediment trap, a low-level water pool, a pump room, a high-level water pool and a tunnel fire hydrant, wherein the sand sediment trap, the low-level water pool, the pump room, the high-level water pool and the tunnel fire hydrant are built nearby a tunnel. By utilizing the tunnel surging water as the water source, water can be conveniently taken, a water taking facility is simple, and the cost is reduced; through the adoption of the low-level water pool, the pump room and the high-level water pool, water pressure can be automatically provided for the tunnel fire hydrant.

The invention discloses a tunnel fire-fighting system using slope surface flowing water as a water source. The slope surface flowing water is used as the water source, so that sufficient water retention capacity of a reservoir can be ensured and meanwhile, cost is reduced; drain dykes are built on a plurality of contour lines of a mountain slope to collect slope surface rainwater, so that the water source is more convenient to collect and cost is low; by arranging a low-position pool, a pump room and a high-position pool, a water pressure can be automatically provided for a tunnel fire hydrant; a pressure sensor is arranged to detect the quantity of sediments in a sand sediment trap and send a wireless alarm signal to a control center of the tunnel fire-fighting system when the sediments are excessive so as to prompt a worker to clear up the sediments in the sand sediment trap and avoid the condition that due to blockage, which is caused by the excessive sediments in the sand sediment trap, of a pipeline communicated with the low-position pool, water cannot be stored in the low-position pool to cause the result that no water can be used for tunnel firefighting.

An improved sediment trap is adapted for inline placement in a pipe. The sediment trap includes a housing body defining two chambers with an intermediate screen member disposed therebetween. The first chamber includes at least one sidewall coupled to a partial front wall wherein the partial front wall, which is disposed at an end opposite from the intermediate screen member. The second chamber includes at least one sidewall and a rear mesh screen. When placed in-line, the effluent stream deposits solids of a first size in the first chamber and deposits solids of a second size in the second chamber.

The invention discloses a tunnel fire-fighting system of utilizing water of valleys and between mountain as a water source, which comprises a drainage ditch and a water retaining dam, a water filter, a sand sediment trap, a low-position pool, a pump room, a high-position pool and a tunnel fire hydrant which are built near the tunnel; water of valleys and between mountain is used to be as the water source, so that the adequate water storage of a reservoir is ensured, meanwhile, the cost is reduced; the water retaining dam is built at the tail end of the drainage ditch, the water in the drainage ditch is intercepted and stored by the water retaining dam; in a dry season, more water between mountains can be stored by virtue of the relatively high water storage of the water retaining dam; the low-position pool, the pump room and the high-position pool are arranged, so that the water pressure can be automatically provided for the tunnel fire hydrant.

The Invention is an underground storage tank apparatus and method. A buried underground storage tank has a tank sump and a manway defined by a manhole skirt side wall communicating from the surface of the ground to the tank sump. A sediment trap is disposed annularly within the manway and intercepts water and sediment flowing down the manhole skirt wall. An inside wall of the sediment trap is in an annular spaced-apart relation with a tank sump perimeter watt, which together define an annular space interior volume that receives water that overtops the sediment trap inside wall and which receives liquid that overtops the tank sump perimeter wall.

The invention discloses a rubble stone stack and reinforced soil composite embankment culvert pipe structure which comprises a bottom rubble stone stack embankment, middle culvert pipes and an upper flexible reinforced soil embankment. The rubble stone stack embankment is the same as a conventional rubble stone stack, however, the top width of the rubble stone stack embankment is expected to be larger than 7 meters, the height of the rubble stone stack embankment is expected not to be larger than 8 meters, the flexible reinforced soil embankment is consistent with a conventional reinforced soil embankment, however, the bottom width of the flexible reinforced soil embankment is larger than 7 meters, the height of the flexible reinforced soil embankment is smaller than 6 meters, impervious geotextile is arranged on the top and at the bottom of the flexible reinforced soil embankment, and the bottom of the flexible reinforced soil embankment is provided with a drainage layer composed of flexible permeable hoses and gravel soil; sand sediment traps are arranged on the side close to natural side slopes. According to the rubble stone stack and reinforced soil composite embankment culvert pipe structure, the characteristic that the flexible reinforced soil embankment improves differential settlement of the culvert pipe and improves the longitudinal stress state of the culvert pipe is maintained, the advantage that the rubble stone stack embankment is easy to construct in a narrow position of a slope toe and low in cost is also maintained, and the rubble stone stack and reinforced soil composite embankment culvert pipe structure is mainly applied to maintain streams of low-cost roads for reaching the peak.

The invention relates to a sediment transport device and belongs to the field of hydraulic engineering. According to the sediment transport device, a sediment trap is arranged on the whole front edge of a water inlet of a power station. A sediment transport gallery is arranged in front of the sediment trap and connected with a dam foundation sediment discharge tunnel. A horizontal joint sediment discharge opening is arranged in the top of the sediment transport gallery. The width of the horizontal joint sediment discharge opening gradually becomes smaller from the upstream part. The cross section of the sediment transport gallery gradually becomes larger from the upstream part. The sediment trap is used in cooperation with the widening and joint-narrowing type sediment transport gallery to achieve the function of a sediment stopping groove, a long-strip-shaped erosion funnel can be formed in front of the sediment trap, and the sediment discharge effect of removing sediment in front of the water inlet of the power station is truly achieved.

A sediment trap and air preparation apparatus including the sediment is provided. The sediment trap has a chamber with top and bottom caps, separated by a sidewall that generally encloses an interior region of the chamber. An inlet conduit is coupled to the top cap, where the inlet conduit extends into the interior region of the chamber by at least one-quarter of a length of the chamber. The inlet conduit fluidly couples the interior region of the chamber to an exterior region. An outlet conduit is coupled to the top cap and has first and second outlet axes offset by approximately ninety degrees. The outlet conduit fluidly couples the interior and exterior regions of the chamber. A clean-out conduit is coupled to the bottom cap and further selectively fluidly couples the interior and exterior regions of the chamber. One or more supplemental air preparation apparatuses, are further fluidly coupled to the outlet conduit.

The invention provides a round potted pool recirculating culture system. The system comprises a round potted pool, a sewage disposal well, a rinsing pipe, a sand sediment trap, a sedimentation tank, apurification pond and a water storage tower, wherein the bottom of the round potted pool is communicated with the sewage disposal well; the sewage disposal well is communicated with the sand sedimenttrap through the rinsing pipe; the sand sediment trap is communicated with the sedimentation tank through a pipeline; the sedimentation tank is communicated with the purification pond through a pipeline; water drained from the round potted pool is filtered, sedimented and purified, and is delivered into the water storage tower through a water pump and a the pumping pipe; the water is oxygenatedthrough the water storage tower, and is delivered into the round potted pool through a water delivery pipe to achieve recirculating culture. The round potted pool is a round pool has a round potted-shape; and oxygenation water propellers are respectively arranged on two inner sides of the round potted pool, and are used for propelling water in a clockwise or anticlockwise manner. The round pottedpool recirculating culture system can be used for constructing a set an integral aquaculture, and can achieve the aims of environment-friendly culture, high yield and remarkable economic ecological benefit.

The invention provides a buried pipe drainage demonstration model and a construction method therefor, and relates to the field of buried pipe model construction. The method comprises the steps: determining the size of a model container according to the according to the terrain and space, and installing a drainage system comprising a buried pipe in the model container formed by the enclosing of transparent plates; enabling the bottom of a water suction pipe to be placed at a place which is 50-70 cm higher than the bottom surface of the model container, and setting the slope of the water suctionpipe as 0.2%-0.4%; vertically setting a sand sediment trap at an outlet of the water suction pipe, and enabling the water suction pipe to be communicated with the sand sediment trap; setting the bottom of a water collection pipe at a place which is 5-15 cm lower than the bottom of the water suction pipe, setting the slope of the water collection pipe as 0.2%-0.4%, and enabling the bottom of the water collection pipe stretching into the trap to be set as a place which is 20-40 cm higher than the bottom of the sand sediment trap; and setting a water collection well to be 40-50 cm lower than thewater collection pipe. The model is low in cost, is small in power consumption, has the functions of a display model, a teaching model and a research model, can observe the impact on different plantsfrom different water levels, and achieves the screening of water-resistant plants.

The invention relates to a permeable structure system construction method which comprises the following steps: a foundation pit is excavated; the foundation pit base is leveled and tamped, and then a sand cushion layer is laid; water-permeable geotextile is laid on the upper surface of the sand cushion layer, and then waterproof geomembranes are laid on the two sides of the foundation pit; a steel belt corrugated pipe is placed, and then an inspection well is bricked at the pipe opening position of the steel belt corrugated pipe; a permeation pipe is installed, a sand sediment trap is bricked at the position of a pipe opening of the permeation pipe, dredging equipment is installed in the permeation pipe, and a drainage pipe communicated with a road catch basin and an overflow pipe communicated with an inspection well are installed on the side wall of the sand sediment trap and communicated with an inner cavity of the sand sediment trap; the foundation pit is backfilled with graded broken stone to the elevation and then compacted; and the permeable concrete is paved on the upper surface of the graded broken stone to the elevation position. The method has the effect of improving the utilization rate of rainwater resources.

The invention discloses a tunnel fire-fighting system of utilizing slope flowing water as a water source, which comprises intercept and drainage ditches and a water filter, a sand sediment trap, a low-position pool, a pump room, a high-position pool and a tunnel fire hydrant which are built near the tunnel; by utilizing the slope flowing water as the water source, so that the adequate water storage of the reservoir is ensured, meanwhile, the cost is reduced; the intercept and drainage ditches are built in a plurality of contour lines of a hillside to collect rainwater from a slope surface, so that the water source is collected more conveniently, and the cost is relatively low; the low-position pool, the pump room and the high-position pool are arranged, so that the water pressure can be automatically provided for the tunnel fire hydrant.