1253 results about "Pipeflow" patented technology

The invention discloses a submarine shallow layer natural gas hydrate pilot hole pull-back jet break-up exploitation method and exploitation device, and belongs to the technical field of submarine hydrate exploitation. The exploitation method mainly comprises the following steps that a water insulation pipe is lowered to the position adjacent to a hydrate deposit, turn drilling is conducted in thehydrate deposit by means of mechanical or jet-flow drilling, and a pilot hole with a certain inclined angle is formed; after drilling reaches a preset position, a continuous pipe and an exploitationcrushing system are pulled back, meanwhile the surrounding hydrate ore body is crushed by means of a spray head jet flow, hydrate particles formed are collected into a closed pipeline with seawater, silt in the crushed particles is separated out by means of an in-pipe downhole separator, curing agent is added, then the particles are backfilled to a gob in situ, and the hydrate particles after separation are pumped to the sea surface for treatment together with the seawater. By means of the exploitation method and the exploitation device, efficient, safe and sustainable exploitation of the submarine shallow layer natural gas hydrate is achieved, the exploitation efficiency is ensured, and meanwhile a potential safety problem is effectively avoided.

The invention provides a multi-layered aquifer underground flow system-based underground water pollution simulator, which comprises a simulation groove, a pressure measurement device, water head adjustment devices and a rainfall device, wherein the simulation groove comprises a seepage groove, an upstream water tank and a downstream water tank which are positioned on two sides of the seepage groove; front and back sides of the seepage groove are respectively provided with uniformly distributed sampling holes and pressure measurement holes, and the pressure measurement holes are connected with the pressure measurement device; two water head adjustment devices correspond to the upstream water tank and the downstream water tank respectively, and each water head adjustment device comprises a bracket, an overflow box, a water pipe and a lift rod; the rainfall device is positioned above the seepage groove, rainfall holes are uniformly distributed on a pipeline of the rainfall device; and one end of the pipeline is sealed, and the other end of the pipeline is connected with a water source. The multi-layered aquifer underground flow system-based underground water pollution simulator can simulate an underground waterflow system of a plurality of aquifers and aquitards, is convenient in measurement, and has small error.

The invention integrates the functionality of: kerbs, gutters, pathways, into a surface accessible networked utility ducting system and a a rain and run-off water management system.

It is comprised of a base section formed a combination of one or more open topped utility access channels, an open topped water catchment channel, a slopped flange and one or more open sided access and or open topped feeder line distribution channels.

The invention includes features for the isolation of electric power channels from contact with other utilities such as gas, water, or communications.

The invention includes features for, integration with existing stormwater systems such as overflow points.

The invention provides utilities access pathway all the way to an end users premises with minimal need for digging or disturbance of footpaths or paved surfaces this is a major improvement upon the prior art which tranforms the economics of surface accessible utility ducting systems.

The invention includes covers, which are interchangeable, may take various forms, such as a pavement and kerb, a driveway ramp or a wheel chair access ramp. This allows the invention to be economically adapted to changes in kerb requirements as changes to the pathways and kerbs occur along their length and as requirements change over time, this solves the problems associated with the prior art which can not be readily adapted to all the variations found in kerbs and gutters along the length of the kerb and pavement or as they occur over time.

The invention enables rain and run-off water to be isolated from contamination and managed to preserve its value and usefulness.

The invention lowers the cost of, and, increases the speed, of new service deployment thereby overcoming the major economic barriers to market entry of new distributed utility services.

The invention is to be manufactured in most cases as precast modules. The channels, lids, access boxes are linked by flexible interstitial joints which enable the system so formed to change direction to conform with the contours of the landscape in which it is located. In most cases the material of construction will be a dense, reinforced material such as concrete. When so constructed the invention will resist the effects of earthquakes, cyclones, flooding, tornados, and tsunamis.

The invention relates to the technical field of rainwater collection and processing, and discloses a novel rainwater retention infiltration system. The novel rainwater retention infiltration system comprises a pre-processing tank and a retention infiltration tank, wherein the pre-processing tank is arranged at the outer side of the retention infiltration tank; the pre-processing tank and the retention infiltration tank are separated by virtue of a perforated partition board; gravels are kept in the pre-processing tank; the retention infiltration tank is sequentially provided with plants, a water storage layer, a coverage layer, a planting soil layer, a packing layer, an isolating layer and a gravel layer in a thickness direction; a drainage pipeline is arranged in the gravel layer of the retention infiltration tank; an overflow pipe is vertically arranged in the retention infiltration tank; one end of the overflow pipe communicates with the drainage pipeline and the other end is exposed out of the retention infiltration tank; and a reoxygenation pipe is arranged in the packing layer. With the application of the system provided by the invention, stormwater runoff pollution load can be effectively reduced, rainwater runoff volume and peak can be diminished and the problem that the system gets blocked can be effectively prevented; and the system is simple in structure, low in maintenance cost, simple and feasible in implementation and broad in application scope.

The invention discloses a circulating-water-flow wave flow testing device. The circulating-water-flow wave flow testing device comprises a testing water tank, a flow making system, a wave making system and a collecting control system. A closed water flow vertical circulation loop with the communicated interior is formed by the testing water tank and a circulating pipe, the circulating pipe is located under the testing water tank, the testing water tank is filled with water, and movement water flow is generated through driving of an axial flow water pump. A wave making machine is characterized in that a push plate is driven by a motor to perform linear reciprocating movement, a water body in the water tank is pushed to generate waves, a wave eliminator with the adjustable gradient is arranged, and influences of reflecting waves on testing are eliminated. The collecting control system is responsible for controlling wave flow in the testing water tank and collecting data. According to the circulating-water-flow wave flow testing device, large and high-speed water flow and different kinds of waves are generated in the testing water tank, the reflecting waves can be eliminated, and a reliable technological means is provided for making experiments in the wave and flow power environment.

A floating solar array made of a closed loop of flexible high density polyethylene pipes with elbows, T fittings and couplings. An anti-lift membrane fills with water and mitigates the wind forces. The array can have a stabilizing skirt going downwardly from the border of the array, especially when it is used offshore in the sea. A vertical axis tracking system with windlasses, two anchoring points and four mooring lines allows all the solar panels to face the sun throughout the day. For small lakes or mine tailing, the two anchor points will be onshore, on a concrete foundation. Winches to wind and unwind the mooring lines are located at the anchor point or on the solar array. For larger water areas, or offshore applications in the sea water, the anchor points are under water; using typically a concrete block or a suction pile solution for each anchor.

The present invention is generally directed to a system, device and method for removing a layer of sediment formed on the bottom of a pond. A submersible vacuum unit associated with in-line import and export sections made from at least 2 inch diameter tubing is supported by a single ski or wheel that is in contact with the pond bottom surface, with a flexible hose connected to the export and directed outside the pond for disposal or filtering of suctioned water. In certain embodiments, leaf /debris bagging mechanisms or mulching mechanisms are employed to facilitate removal of large debris from pond bottoms, while fine silt material is contained in a region and suctioned off the bottom surface.

An artificial rainfall runoff and soil water motion simulation experimental system comprises a rainer, a runoff and soil water forming device, a water drainage device and a runoff volume measuring device. The rainer comprises a water supply device and a raindrop forming device; the water supply device adjusts water outlet strength by an adjusting valve and a flow meter; the raindrop forming device is a group of pipes with holes; the runoff and soil water forming device is a vertical container with a soil layer; the group of pipes with holes is arranged on the top of the vertical container and can be adjusted in a lifting manner; and the container comprises an inner wall on the inner layer and an outer wall on the outer layer, the inner wall consists of a water permeable steel wire gauze, the outer wall is made of a transparent material, the inner wall and the outer wall are connected with each other by a water impermeable layering steel plate, the water drainage device is arranged below the soil layer, a water leading pipe which is connected with the runoff volume measuring device is arranged outside the container, and the runoff volume measuring device performs data processing and operation by a computer. The artificial rainfall runoff and soil water motion simulation experimental system is convenient to carry, high in experimental efficiency, accurate and fast in operation and high in adaptability.

An underground reservoir for storing water in alluvial deposits utilizes slurry walls keyed to an aquiclude beneath the reservoir to form a substantially impermeable water seal. A variety of water extraction/recharge apparatus provides for rapid and complete filling and draining of the underground reservoir. Such apparatus includes a plurality of wells distributed about the underground reservoir and a series of perforated pipes buried at a predetermined depth within the underground reservoir. A method of mitigating water table fluctuations resulting from the construction of an underground utilizes perforated pipes buried outside of the reservoir to transfer excess water from an uphill land parcel to a downhill land parcel that would otherwise experience a water shortage after construction of the underground reservoir.

A gutter inlet automatic overflow pollutant intercepting device comprises a clamping seat. At least one extensible rod is connected with the portion below the clamping seat. The lower end of the extensible rod is connected with a metal support. The metal support and the extensible rod are sleeved by a filter screen. The gutter inlet automatic overflow pollutant intercepting device is characterized in that the clamping seat comprises a grease absorbing cable clamping groove. According to the gutter inlet automatic overflow pollutant intercepting device, pollutants entering a gutter inlet is intercepted through the pollutant intercepting filter screen, so that the gutter inlet and a rainwater pipeline are prevented from being blocked, and the water discharging capacity of a rainwater pipeline network is improved; the pollutants are controlled from a source through the rainwater pipeline network, so that disposing pressure of a sewage disposal plant and pollution to city water by runoff pollution are reduced. Grease type pollutants in runoff rainwater can be effectively controlled through the arrangement of a grease absorbing cable, so that the following disposing cost of the sewage disposal plant and the pollution of city water are reduced, and the gutter inlet automatic overflow pollutant intercepting device has obvious environment and economic benefits. According to the gutter inlet automatic overflow pollutant intercepting device, the structure of an existing gutter inlet is not changed, the improving cost of the gutter inlet is reduced, and the gutter inlet automatic overflow pollutant intercepting device is simple in structure, practical and low in production cost.

A method for the creation of subsurface water management systems that place subsurface drainage lines at a consistent grade and within defined elevation bounds throughout a field with topographical undulation and inconsistent slopes, incorporate control weirs for dividing the subsurface into elevation and acreage zones, place and size surface to subsurface, size and determine inside surface of drainage mains and laterals according to the desired coefficient of the subsurface system, and determine the amount of water required at irrigation inlets in order to deliver a determined amount of water into the subsurface system for purposes of irrigation.

The invention relates to a rain collection self-pressure irrigation system for loess plateau hilly area step greenhouses, which comprises greenhouses, ground water collection surfaces, water collection flow gathering ditches, water reservoirs and irrigation pipelines, wherein the greenhouses are arranged on the steps of a terraced field, the ground water collection surfaces, the water collection flow gathering ditches, the water reservoirs and the irrigation pipelines are arranged on the steps, the greenhouses comprise greenhouse ceiling water collection surfaces, the water collection flow gathering ditches are arranged along the lower edges of the greenhouse ceiling water collection surfaces, the ground water collection surfaces are in inclined arrangement, the lower sides of the ground water collection surfaces are connected with the collection flow gathering ditches, one sides or two sides of the water collection flow gathering ditches are provided with the water reservoirs, and the irrigation pipelines are arranged in the greenhouses and are connected with the water reservoirs of the previous steps through main pipelines. The greenhouses are built on the terraced field, the collected rain at the previous step of the terraced field is used for irrigating the greenhouse on the next step of the terraced field, the rain resources are sufficiently and reasonably developed and utilized for developing the facility agriculture, and the ecological system is prompted to be converted to the benign circulation.

The invention discloses an urban rainwater-infiltration ecological system based on low impact development, which comprises a bearing plate with a water drainage port, wherein a bearing bracket is fixedly arranged below the bearing plate; a rainwater infiltration area is formed between the bearing bracket and the bearing plate; the rainwater infiltration area comprises a composite filler layer having functions of purification, filtration and water retention; a certain space is reserved between the bearing plate and the composite filler layer to serve as a water reservoir bed; an overflowing pipe connected with an external water drainage pipe is arranged on the water reservoir bed; and a perforated water drainage pipe connected with the external water drainage pipe is embedded at the bottom of the composite filler layer. The urban rainwater-infiltration ecological system based on low impact development is simple in structure, has the function of purifying the water quality and storing the water, and can be effectively combined with the municipal ground.

The invention discloses a system for a soil water and heat coupling test. The system contains a water temperature control device, a hydraulic pressure simulation elevating platform, an external environment control box and a data acquisition and processing device. The water temperature control device contains an insulation water storage tank and refrigerating, heating and temperature-control equipment. The external environment control box contains a temperature control module, a humidity control module, a rainfall spray device and a soil groove test model, wherein the rainfall spray device is arranged over the soil groove test model. The hydraulic pressure simulation elevating platform contains an automatic elevating gear, an upstream water tank, a downstream water tank, and a drainage transport pipeline. A constant-temperature liquid in the water storage tank is conveyed to the upstream water tank. Overflow water in the upstream water tank returns to the water storage tank. The upstream water tank is connected with the soil groove test model through the drainage transport pipeline. Leachate which passes through the soil groove test model enters into the downstream water tank through an outlet of the soil groove test model. The system provided by the invention can be used to greatly raise the measuring precision of the test, minimize measurement errors caused by human factors and reduce working strength of test personnel.

The invention provides a deepwater circulating and enhanced coagulating sedimentation algae-removing water treatment system and a treatment method, belonging to the technical field of feed water treatment. The deepwater circulating and enhanced coagulating sedimentation algae-removing water treatment system comprises a water supply pump, a water treatment tank and a drug feeding device, wherein the water supply pump and the drug feeding device are respectively connected with the water treatment tank through a pipeline; the deepwater circulating and enhanced coagulating sedimentation algae-removing water treatment system is characterized by being provided with a deep water circulating well for stressing air bags in the algae crack; the circulating well is provided with an inlet and an outlet; the inlet of the circulating well is connected with the water supply pump; and the outlet of the circulating well is connected with the water treatment tank. The water supply pump injects algae-containing water into the circulating well and enters the water treatment tank; the air bags in algae cells crack under high-pressure effect of the deep water of the circulating well so that the algae lose buoyancy to be easy to precipitate. A coagulant, the algae and other impurity grains collide in a reaction tank to be combined into larger floc grains so as to precipitate and be removed in a sedimentation basin. With the adoption of the method, the air bags of the algae are enabled to crack, the sedimentation speed is high and the removing effect is good; the algae cells are not damaged and water supply is safe; and the drug consumption and the energy consumption are low and the operation cost is low.

The invention discloses a method for comprehensively treating saline and alkaline land through combination of irrigation and planting. The method comprises the following steps: (a) paving underground pipelines, including micro-moisture pipes for irrigation and salt discharge underground pipes for discharging salt; (b) leveling and furrowing the saline and alkaline land for irrigation salt discharge, wherein the irrigation salt discharge includes underground salt discharge and surface salt discharge and specifically comprises the following three steps in sequence: I, performing underground salt discharge; II, performing surface salt discharge, and performing rapid large-area surface salt discharge on the saline and alkaline land subjected to the underground salt discharge through a flood irrigation way; III, repeating the underground salt discharge; (c) planting suaeda salsa on a large area, continuously performing micro-moisture irrigation salt discharge before and after seedling emergence of the suaeda salsa, performing micro-moisture irrigation intermittently after branching of the suaeda salsa till the end of the peak-growth period of the suaeda salsa, pulling up the suaeda salsa by the roots, and planting crops or continually planting the suaeda salsa according to the soil salinity to further reduce salinity.

A system for efficiently circulating water in a large volume of rearing space for aquatic organisms, comprising an impervious enclosure for containing the water and aquatic organisms and a pump for pumping water from an intake duct through intake ducting to a flow diverter, which then directs a flow of water radially outward within the enclosure to directly induce a circulation of water within the enclosure. The ‘center drive’ circulation pattern is sufficiently uniform to provide optimum rearing conditions for cultured finfish, while also ensuring that solid wastes are swept toward the central drain, even in a very large tank.

The invention discloses a road cement concrete flowing water washout tester and a use method thereof. The road cement concrete flowing water washout tester comprises a motor, a speed adjuster and a base, wherein a washout cylinder is arranged on the base; a concrete test piece is arranged at the bottom inside the washout cylinder; a washout plate component is arranged on the top of the concrete test piece; the output shaft of the motor is connected with a piston through the speed adjuster; the piston comprises a pull rod and a pressure plate connected with the pull rod; the cavity between the washout plate component and the top of the washout cylinder is divided into a cavity A and a cavity B by the pressure plate; a flowing water circulation pipeline is arranged on one side of a washout bucket; the water inlet of the flowing water circulation pipeline is communicated with the cavity B; the water outlet of the flowing water circulation pipeline is communicated with the cavity A. Due to the hollow structure, the shapes of patterns of a tire can be actually simulated, so that the washout plate has the load effect on the concrete test piece, and the load effect of the tire to a pavement structure can be simulated. The road cement concrete flowing water washout tester is simple in structure, convenient to use, and capable of simulating the washout testing on the bottom and the top of a concrete pavement plate.

The invention relates to a device for simulating soil groundwater oxygen content gradient distribution under a hydrostatic condition and can provide a simulated environment for related experiments and projects of researching pollutant transportation, reaction and control in different oxygen content conditions caused by groundwater body layering. The device comprises a rainfall device, a test earth pillar and an anaerobic water supply device, wherein the rainfall device comprises a water tank, a water inlet pump, a flow valve, a shower head and a connection pipeline, and the flow valve can be adjusted to control rainfall intensity; the test earth pillar comprises a plurality of detachable assembled assemblies of the same specification, each assembly is formed by assembling two half-cylinder tubes, the inside of the assembly is dull polished, and a series of holes are formed in the lateral edge to be connected with a sampling device; the anaerobic water supply device comprises an improved Mariotte bottle, a connection pipe with a valve and a connection disk with a permeable stone inner core. When the device is utilized, the transportation and reaction situation of pollutant in an aerobic, anaerobic and oxygen-deficient environment generated by an uneven water-gas distribution condition of an unsaturated-saturated zone can be taken into consideration and researched. Meanwhile, the device is suitable for simulation experiments of different lengths by assembling and disassembling different amount of models, so that the using rate of the models is improved, and cost is reduced.

The invention relates to an experimental device for supersaturated total dissolved gas of the downstream water body of discharging water of a dam. The device comprises a water column, valves, a flowmeter, an air compressor, a manometer, a total dissolved gas tester and a stirrer. A first valve and the flowmeter are respectively connected with the bottom of the water column by a pipeline, the outlet of the air compressor is communicated with the flowmeter by a second valve through one end of a three-way pipe, and is communicated with the atmosphere by a third valve through the other end of the three-way pipe; the scale position on the wall of the water column is connected with a latex pipe which is connected with the manometer; the total dissolved gas tester and the stirrer are independent, and the total dissolved gas tester is placed into the water column when measuring. The device of the invention can measure and control main physical parameters which influence the generation and release of supersaturated total dissolved gas such as water body pressure, aerification quantity, water depth and turbulent strength, so as to carry out quantitative analysis to the total dissolved gas, and therefore the device of the invention has important promoting effects for the protection of river aquatic ecological environment and the establishment of ecology friendly hydraulic engineering.

The invention relates to a hazardous chemical leakage monitoring and emergency treatment system for a sensitive water body bridge section. The system mainly comprises a hazardous chemical leakage emergency monitoring system, a bridge surface runoff collection system, a hazardous chemical emergency storage system and a bridge surface runoff treatment system. When a traffic accident does not happenon the bridge section, bridge surface runoff initial rainwater enters a collection pipeline system, and directly flows into the bridge surface runoff treatment system for purification treatment afterpassing through a runoff electric butterfly valve switch of an emergency regulating pondage, and 30 minutes later, the bridge surface runoff is directly discharged through an overflow port of the emergency regulating pondage. When the traffic accident happens on the bridge section, firstly, the traffic accident is discovered through a bridgehead monitoring camera and an alarm telephone, and whether hazardous material leakage exists is determined; secondly, an emergency control system is started by a monitoring center, and the emergency electric butterfly valve switch in the runoff regulating pondage is turned on; and finally, the leaked hazardous material and a diluent thereof enter the regulating pondage through a collection pipeline and then directly flow into an emergency storage pool.

The invention discloses a municipal road structure and a construction method thereof. The municipal road structure includes a road body, the road body includes a roadbed layer, a gravel layer, a coarse sand layer and a permeable concrete layer which are successively laid from bottom to top, the permeable concrete layer includes a roadway, two drains arranged on both sides of the roadway and two sidewalks arranged on both sides of the two drains, the road body is internally embedded with a plurality of reservoirs, the reservoirs communicate with urban sewer lines buried in the roadbed layer, water leading pipes allowing the reservoirs and the drains to communicate are arranged between the reservoirs and the drains correspondingly, and the reservoirs are internally provided with control mechanisms for controlling communication or partition between the reservoirs and the urban sewer lines correspondingly. According to key points of the technical scheme, rainwater can not only be diffused downwards and discharged through the structure of the road body, but also be discharged through drainage structures such as the drains, the water leading pipes, the reservoirs and the urban sewer lines, the drainage performance is good, and accumulated water is not prone to forming on the road surface.