449 results about "Gravity flow" patented technology

The invention provides a liquid pumping apparatus, system and method for increasing the flow of fluid in a gravity feed network. The invention provides an in-line main pipe with upstream and downstream portions flanking a manifold that houses a check valve. One or more branch pipes may form a fluid bypass around the manifold. Each branch pipe includes a pump configured to accelerate the fluid in at least partially the same direction as the downstream flow. A sensor may be adapted to measure a parameter related to the liquid level in the main pipe. A rotary encoder may be adapted to measure the flow rate in the main pipe as a proportional function of the check valve angle, under gravity flow conditions. A control system may energize the pumps when the liquid level in the main pipe is above a predetermined threshold according to the parameter.

The invention discloses a wheel-driven bearing cable type gravity flow energy storage system and an energy storage method, and relates to the technical field of gravity energy storage. The wheel-driven bearing cable type gravity flow energy storage system comprises a first steering wheel, a second steering wheel, a carrying device, an energy storage device, a driving device, a power generation device, a bearing cable and a traction cable, the energy storage device is detachably connected to the carrying device; the driving device drives the traction cable to operate in the first direction so as to convey the multiple energy storage devices to the high altitude position, and electric energy is converted into gravitational potential energy to be stored. A plurality of carrying devices loaded with energy storage devices walk along the bearing cable and are conveyed to a low altitude position successively to form a continuous gravity flow so as to drive the power generation device to discharge continuously. The energy storage method is suitable for the wheel-driven bearing cable type gravity flow energy storage system. The invention provides a wheel-driven bearing cable type gravity flow energy storage system and an energy storage method, and aims to solve the technical problem of discontinuous charging and discharging caused by intermittent load generated by lifting energy storage blocks one by one in the prior art.

The invention relates to the technical field of oil and gas exploration and development, in particular to a shallow sea gravity flow channel reservoir porosity prediction method which comprises the following steps: S1, determining a target research area; s2, collecting logging curve data of the reservoir of the target research area; s3, taking the logging curves of density, sound wave, resistivity, gamma and neutron porosity as input, taking the actually measured core porosity as output, and constructing and training a depth feedforward neural network model; and S4, predicting the reservoir porosity by using the deep feed-forward neural network model. The defect that the porosity of the shallow sea gravity flow channel reservoir is difficult to accurately predict in the prior art is overcome, the depth feed-forward neural network model is constructed and trained by using the logging curve data, the nonlinear mapping relation between the logging curve and the porosity is established, the reservoir porosity can be accurately predicted for the logging curve by using the model, and the prediction accuracy of the reservoir porosity is improved. And the method is suitable for predicting the porosity of various types of reservoirs.

A transportable gravity flow display rack for food and / or drink containers (such as milk gallons) having a pallet base adapted to receive the forks from a forklift or pallet jack, a plurality of vertical upright supports, a first cross bar and a second cross bar, and one or more inclined storage racks, thereby facilitating the flow of the containers towards a costumer in response to gravity.

Provided is a technique for preventing repeated river, storm surge, and tsunami disasters. “Sea hollow (UTSURO)” is constructed at an estuary, violent tide is generated in an estuary basin water area of a river, ebb and flow energy is caused to exceed flow energy due to gravity in a downstream part of the estuary flow area conventionally dominated by the flow energy due to gravity, the flow energy in the river is thus redistributed to deeply dig the riverbed, enhance flood discharge ability, and prevent repeated river disasters, a levee body of the “sea hollow (UTSURO)” is shared, tsunami or storm surge is reflected in a coastal sea area and is prevented in the sea area, tsunami or storm surge invading the estuary, or estuary flood is caused to overflow into an upstream migration water path constituting the “sea hollow (UTSURO)”, and peak cut thereof is performed.

A polishing filter employed within a sump pump system for removing mineral oils, natural ester, and synthetic ester-based fluids from an emulsion is provided. The polishing filter is disposed within a sump pump barrier and is gravity-fed a synthetic ester and water based emulsion via a polishing filter conduit. The polishing filter removes excess synthetic ester-based fluids from a water / oil emulsion fluid flowing through a barrier canister disposed within the sump pump barrier above the polishing filter and releases a resultant filtered fluid. The polishing filter cartridge contains a filtration media with a hydrophilic composition for the capture of synthetic ester-based fluid having a surface tension dissimilar to water, and the hydrophilic composition of the media has a surface energy greater than or equal to 35 dynes per centimeter.

The invention discloses an integrated device for coupling in-situ remediation and membrane filtration water purification of a reservoir water body, which realizes effective removal of pollutants such as ammonia nitrogen, iron, manganese and the like by fusing the advantages of a gravitational flow ultrafiltration (GDM) technology and a water-lifting aeration technology and utilizing the biochemical action of a biological filter cake layer of the GDM technology and an ultrafiltration membrane interception mechanism, so that the water body in-situ remediation and membrane filtration water purification of the reservoir can be realized. Meanwhile, by utilizing the in-situ remediation capability of a water lifting aeration technology, the ecological environment of a water body is improved, and the release of endogenous pollution is reduced; the device continuously runs for a long time under the designed flux, and the membrane pollution is controlled without adopting hydraulic backwashing and chemical agent cleaning, so that the use of chemicals is reduced from the source, pipelines, water pumps and valve accessories for backwashing and chemical cleaning are not needed, the cost can be effectively saved, and the workload of operation, operation and maintenance is greatly reduced; in addition, solar energy is adopted as a power source, green power supply is achieved, energy consumption is reduced, and negative effects on the environment are effectively relieved.

The utility model discloses a dilute ammonia water concentration device which comprises a stripping tower, a stripping tower condenser positioned at the top of the stripping tower and communicated with the stripping tower, and an absorption tower connected with the stripping tower condenser, the stripping tower condenser comprises a gas phase outlet arranged at the top and a liquid phase outlet arranged at the bottom, the liquid-phase outlet is connected with a liquid-phase inlet in the upper part of the absorption tower through a pipeline; and a gas phase outlet at the top of the stripping tower condenser is connected with a gas phase inlet at the lower part of the absorption tower sequentially through a vacuum buffer tank and a vacuum pump by virtue of a pipeline. The device is short in process, simple in equipment structure, green, energy-saving, safe, environment-friendly and wide in practicability; the height difference between the outlet of the condenser of the stripping tower and the inlet of the absorbent of the absorption tower is utilized, so that the absorbent can flow into the absorption tower from the condenser through gravity flow, the arrangement of a pump is reduced, and the total energy consumption is reduced.

The invention provides a foundation pit water gushing iron ore grading thixotropic blockage reduction method which comprises the steps that iron ore tailings are crushed and screened into multi-stage particle size particles, and a customized mold is subjected to 3D printing based on foundation pit scanning data; paving particles in a mold layer by layer, doping iron powder, and cementing and curing cement paste to form a prefabricated body; the prefabricated body is installed to a water gushing area, the slurry viscosity is increased through a grading contact network, a weak gravitational flow state is triggered to be transiently changed to an anti-scouring state, and water flow speed reduction is achieved; alternating field induction micro-vibration is synchronously started during lateral grouting, and grout permeation and bubble discharge are driven; after solidification, the guide core body is pulled away, and remaining pore channels are self-compacted by a grading system to form an anti-seepage structure. The method has the advantages that the anti-scouring performance is enhanced; particle-slurry-foundation pit curved surface triple self-adaptive combination is carried out; the engineering cost is reduced.

The invention relates to an underground coal mine sustainable low-cost filling process, which comprises the following steps that gangue powder and water are uniformly added from one side of a stirrer according to a preset proportion, and after full stirring, gangue slurry enters a material suction opening of a stirring pump from the other side of the stirrer; waste rock slurry in the stirring barrel enters a material suction opening of a filling pump, the slurry in the material suction opening is pumped to a filling position in a pressurization mode, and filling is conducted through pre-constructed high-position filling drill holes, middle-position filling drill holes and low-position filling drill holes; the gangue slurry enters the gap space of the goaf after entering the preformed hole, firstly, paving type inflow is started, the gangue slurry is diffused to the gap of the goaf by means of gravity, and after the gap in the lower portion of the goaf is filled, stacking type filling is started along the slope face of the slurry on the lower layer according to the gravity flow gradient. According to the method, the separation layer and the goaf are fully utilized for safe and economical full-space filling, that is, coal gangue slurry is injected into a key layer, a goaf caving zone and a fissure zone through directional drilling underground, so that the filling cost is reduced, and the purpose of sustainable filling is achieved.

The invention provides a deep water gravity flow gas field reservoir water saturation earthquake prediction method based on TDCN-TransNet. The method comprises the following specific steps: a TDCN-TransNet network architecture comprises an input processing layer, a dual TWT position code, a TDCN module, a Transformer encoder layer and an output layer; mapping the features to a hidden dimension in an input processing layer through linear full connection; a dynamic Gaussian convolution kernel and a CBAM attention mechanism are embedded in the TDCN, and modeling of a nonlinear relation between an elastic parameter and saturation is enhanced through multi-scale time sequence feature extraction; tCBlock is integrated on a Transform encoder layer, and long-distance sequence dependence is captured by using attention pooling and an SE channel excitation mechanism; a TWT position code is introduced between the TDCN and the Transform, and sequence position information is enhanced; constructing a combined loss function of a mean square error and L2 regularization; finally, training and reasoning are conducted based on the model, and high-precision water saturation prediction is achieved. The method provided by the invention has high generalization and accuracy, and shows excellent prediction performance in a complex geological environment of a deepwater gravity flow reservoir.

The utility model discloses a road slope earth shoulder drainage system which comprises a water outlet piece, an earth shoulder vertical curb water blocking belt, a transverse drainage pipe assembly, a longitudinal drainage pipe and a base. The water outlet piece and the earth shoulder vertical curb water blocking belt are arranged on the edge of a highway pavement and used for collecting water in a centralized mode. The base is embedded in a side slope; the longitudinal drainage pipe is arranged on the base, and the longitudinal drainage pipe is longitudinally arranged in the advancing direction of a road; one end of the transverse drainage pipe assembly is connected with the water outlet piece and the earth shoulder vertical curb water blocking belt, and the other end of the transverse drainage pipe assembly is connected with the longitudinal drainage pipe. The longitudinal drainage pipe is provided with a plurality of sections, and the plurality of sections of the longitudinal drainage pipe are communicated with one another and finally communicated to a rain sewage outlet point. The drainage ditch is suitable for the conditions that drainage of a highway embankment drainage ditch arranged by utilizing gravity flow is unsmooth, natural water systems on the ground surface are deficient or land use is limited and the like; according to the utility model, fewer water outlet points of a natural water system can be reasonably utilized to form a complete drainage system.

The invention belongs to the technical field of biology, and discloses a micro-fluidic chip for in-situ single-cell non-label imaging of an upright Raman microscope. Comprising a quartz substrate subjected to surface treatment, a detachable cell chamber, a glass sheet provided with a through hole and a gravity flow channel control system, the cell chamber is used for cell culture before in-situ cell imaging, after cell culture is completed, the cell chamber is taken off, the glass sheet is bonded with the quartz substrate, the glass sheet is used for packaging a chip, and the gravity flow channel control system is used for controlling the gravity flow channel. The gravity flow channel control system is connected with the through hole and is used for guiding fluid to flow in the chip; the micro-fluidic chip can effectively package living cells and is compatible with a forward Raman microscope, so that in-situ unlabeled Raman imaging of single cells under the microscope is realized, experimental operation is simplified, more efficient cell treatment and real-time monitoring capabilities are provided, imaging stability and accuracy are improved, and the micro-fluidic chip is suitable for large-scale popularization and application. The method is of great significance to application of drug screening, biochemical research and the like.

The utility model discloses a nano-iron carbon micro-electrolysis and Fenton oxidation integrated reactor, which comprises a nano-iron micro-electrolysis tank, a Fenton oxidation tank, a neutralizing tank, a degassing tank, a coagulating tank, a flocculation tank and a sedimentation tank which are sequentially connected through internal pipelines, the nano-iron micro-electrolysis tank is connected with a water inlet pipe, and the sedimentation tank is connected with a water outlet pipe and a sludge discharge pipe; sewage sequentially passes through the nano-iron micro-electrolysis tank, the Fenton oxidation tank, the neutralization tank, the degassing tank, the coagulation tank, the flocculation tank and the sedimentation tank in a step-by-step self-flowing manner; aeration devices are respectively arranged in the nano-iron micro-electrolysis tank, the Fenton oxidation tank, the neutralization tank, the degassing tank, the coagulation tank and the flocculation tank, the aeration devices are liftable aeration devices, and the aeration devices are connected with an external air source through aeration pipelines. The utility model relates to a nano iron-carbon micro-electrolysis Fenton oxidation integrated reactor, which is integrated equipment, and solves the problems of larger occupied area and higher investment caused by the fact that traditional Fenton and micro-electrolysis water treatment are generally divided into more functional monomers.

The utility model discloses a tobacco tar supplementing rod capable of preventing tobacco tar from flowing back, which comprises a gravity stop valve, an air pressure stabilizing air passage and a shell, and the gravity stop valve prevents tobacco tar in an electronic cigarette from flowing back into a tobacco tar supplementing device. A containing cavity and a tobacco tar cavity are formed in the shell, the gravity check valve and the air pressure stabilizing air channel are arranged in the containing cavity, the shell is provided with an air inlet hole and a tar outlet, the air inlet hole is communicated with the tobacco tar cavity through the air pressure stabilizing air channel, and the tar outlet is communicated with the tobacco tar cavity through the gravity check valve. The gravity flow stopping valve comprises a flow stopping weight and a flow stopping shell, the flow stopping weight is movably arranged in the flow stopping cavity, and the flow stopping weight opens or closes the tar inlet due to the dead weight, so that tobacco tar in the tobacco tar cavity can smoothly flow through the flow stopping cavity and the tar outlet from the tobacco tar cavity in a one-way mode to be guided into the electronic cigarette. Tobacco tar is prevented from reversely flowing through the gravity stop valve from the electronic cigarette to the tobacco tar cavity, it is guaranteed that sufficient tobacco tar exists in the electronic cigarette in the using process of a smoker, and core burning caused by the fact that no tobacco tar exists in the electronic cigarette is avoided.

The utility model relates to an open type sewage purification circulating device. The device comprises a sewage purification body (5) which is a container, the open type sewage purification circulating device comprises a plant purification layer (1), a water inlet pipe (8), a water outlet pipe (2), a circulating water tank A (3), a U-shaped groove (4), a circulating water tank B (9), a circulating water tank C (7), a water lifting pipe (11), a sewer pipe (12) and the like. The device used in the utility model is simple and easy to obtain, only needs to increase the circulating water body height (slightly higher than the duckweed purification device) in the operation process, the other processes are all realized by water body self-flow, the construction and operation cost is low, the management and maintenance are easy, the device is not limited by plant varieties, and the application of the plant purification device in water environment treatment is promoted.

The invention discloses a new-type barite deposit mineralization mode construction method based on a same sedimentary fault. The method belongs to the field of geological exploration and mineral resource prediction, and comprises the following steps: analyzing the earth crust cracking activity history of an earthquake-Hangjian broken basin, and recovering a basin'checkerboard 'structure prototype; by means of field geological survey and research, drilling engineering, geophysics, remote sensing geological big data and the like, north-east-east-direction and north-west-direction co-sedimentary fault networks are identified and modeled, and a deep metallogenic fluid rising and jet flow channel is determined; the metallogenic process is concluded into a hydrothermal jet flow stage and an underwater gravity flow deposition stage, deep fluid is revealed to rise, jet flow and precipitate along a fault, and an ore-rich zone of a composite seabed fan body group is formed; and a geochemical prospecting prediction model combining trace element and sulfur isotope characteristics is established. The method systematically clarifies a coupling mechanism of ore control of the same sedimentary fault, ore-forming fluid migration and gravity flow deposition, and provides a theoretical basis and a technical means for prospecting prediction of the barite deposit in the Hendan-Hangjian fault basin.

A method for identifying deepwater gravity flow causes based on directional arrangement of debris particles relates to the technical field of petroleum and natural gas exploration and development, and comprises the following steps: analyzing deepwater gravity flow deposition cause mechanisms by combining actual geological data of a to-be-detected area, selecting sandstone samples of different gravity flow cause mechanisms to obtain slice images, and preprocessing the slice images; performing quantitative statistics on the long-axis direction distribution conditions of the debris particles in the processed image of the sample slices, establishing a relationship between the long-axis direction distribution conditions of the debris particles of different sample slices and deepwater gravity flow deposition causes, and collecting the sample slices in other areas to perform statistics on the long-axis direction distribution conditions of the debris particles of the sample slices; obtaining deepwater gravity flow deposition causes of samples in other areas; according to the method, through quantitative statistical analysis of the blocky sandstone debris particles in the long axis direction, the relation between debris particle distribution and a gravity flow cause mechanism is established, the problem that the macroscopic characteristics of the blocky sandstone cannot reflect the gravity flow deposition cause is solved, and the time and cost required by related experimental analysis are reduced.

The invention discloses a three-dimensional experimental device and method for measuring a gravity flow transient flow field in real time. The inflow diffusion system is composed of a water inlet hose and diffusers, diffusers of different structures are adopted for plume and density flow, and therefore uniform and stable inflow conditions are created; the terrain simulation system comprises an experiment water tank, an overflow pool and a terrain obstacle, and it is fully guaranteed that stable inflow can be supplied for a long time in the water tank with the finite length. The flow field observation system is divided into a laser surface making module, a data recording module and a structure supporting module, and quasi-three-dimensional multi-angle measurement is carried out on the flow process of plume and density flow by configuring PIV system equipment at different positions. By arranging the diffuser and combining the PIV technology with the electric sliding rail, the evolutionary process of plume / density current flowing through complex natural terrains / engineering objects in the actual situation is reproduced through simple operation, and the flowing process of snow melting plume flowing through the bottom of an iceberg can be simulated.

The invention discloses a rainstorm runoff flow limiting and overflowing impact resistance device and method, and belongs to the technical field of runoff non-point source pollution abatement. The device comprises a flow dividing well body and further comprises a water inlet, a flow limiting opening and an overflowing opening; by adopting a double-stage shunting mode of initial-stage interception and middle-later-stage overflow and combining the design of horizontal symmetrical distribution of the water inlet and the flow limiting port and vertical distribution of the overflow port and the water inlet, water flow can be guided to form a stable transverse flowing path, so that high-pollution rainwater is intercepted in the initial stage of rainfall by virtue of a gravity flow principle, and high-pollution rainwater is intercepted in the middle-later stage of rainfall. Clean rainwater is rapidly discharged through the flow limiting opening, so that the short-time heavy rainfall condition can be effectively handled, the flow dividing stability in different rainfall stages can be guaranteed, the impact load resistance of the device is greatly improved, the system overload risk caused by sudden flow change is reduced, and it is ensured that the efficient pollution treatment effect is always kept in long-term operation.

The invention relates to a wheel drive rail type gravity flow energy storage system and an energy storage method. The wheel drive rail type gravity flow energy storage system comprises a double-circulation bearing mechanism, a double-circulation traction mechanism and a double-wheel drive mechanism. The double-circulation bearing mechanism comprises two bearing rails, the double-circulation traction mechanism comprises two traction ropes, the double-wheel driving mechanism comprises two driving wheels which are arranged in parallel and vertically mounted, and the traction ropes are wound on the driving wheels and continuously run under the driving of the driving wheels; a plurality of carrying mechanisms are arranged between the bearing rails, the pulling rope pulls and drives the carrying mechanisms to operate continuously, and the carrying mechanisms are used for carrying energy storage blocks serving as energy storage carriers; the driving wheel is connected with an electric power generation mechanism; the electric power generation mechanism is used for driving the driving wheel to rotate actively, and continuous gravity flow is formed through the continuously-lifted energy storage block. And the energy storage block which continuously descends drives the driving wheel to rotate, so that the gravitational potential energy is converted into electric energy of the electric power generation mechanism, and continuous energy flow is formed.

A filtration system comprising activated charcoal and alternating filtering and regenerating modes for sustainable filtering of a spirit distillate. The filtering mode is a reverse-gravity filtration method wherein distillate is pumped upward from a bottom end of a filter chamber to a top end of the filter chamber and wherein the filter chamber comprises activated charcoal of various pore sizes to capture impurities from the distillate. The cleaning mode is a gravity-flow steam-regeneration method wherein steam flows downward from the top end of the filter chamber to the bottom end of the filter chamber regenerating the activated charcoal. The system alternates between the reverse-gravity filtration method and gravity-flow steam regeneration method through the use of a series of input and output ball valves at the top end of the filter chamber and a series of input and output ball valves at the bottom end of the filter chamber.

The invention discloses an aluminum solution holding furnace degassing device, and relates to the technical field of aluminum solution furnace vacuum degassing, the aluminum solution holding furnace degassing device comprises a holding furnace shell, the top of the holding furnace shell is rotatably connected with a holding furnace cover, an inner cavity of the holding furnace shell is provided with a vacuum exhaust assembly, and the vacuum exhaust assembly comprises a suction pump fixedly connected to the top of the holding furnace cover; first ventilation pipes are installed on the two sides of the suction pump, a gas collection box is fixedly connected to the side wall of the heat preservation furnace shell, a cylinder is fixedly connected to the bottom of an inner cavity of the heat preservation furnace shell, and T-shaped rods are symmetrically and fixedly connected to the top of a circular inner container. Meanwhile, in the flowing process of the molten aluminum, residual gas such as hydrogen naturally floats to the surface due to the density difference, the solubility is further reduced by means of the vacuum environment, the degassing efficiency is improved, meanwhile, natural convection formed by gravity flowing promotes uniform distribution of the temperature of the molten aluminum, and the local overheating or solidification risk is reduced.

The utility model discloses a vertical synchronous lifting type gravity flow energy storage system, and relates to the technical field of gravity energy storage. Comprising two vertical lifting units, an energy storage device, a driving device and a power generation device, the driving device is connected with the vertical lifting units so as to drive the carrying cables of the two vertical lifting units to operate synchronously, then all the carrying devices are driven to operate, and therefore the multiple energy storage devices are continuously and vertically lifted so that electric energy can be converted into gravitational potential energy to be stored. The multiple carrying devices loaded with the energy storage devices walk downwards under the action of gravity to form continuous gravity flow, and meanwhile the carrying cables of the two vertical lifting units are driven to operate synchronously so as to drive the power generation device to generate power. The utility model provides a vertical synchronous lifting type gravity flow energy storage system, and aims to solve the technical problems in the prior art that intermittent load is generated due to the fact that a single energy storage block is lifted in a steel wire rope winding / friction mode, or the bearing capacity is limited and the effective load is reduced due to the fact that a chain structure is used as a main carrying device of the energy storage block.

The invention discloses a high-precision two-component glue rapid quantitative conveying device which comprises a container, a controller and two conveying pipelines, and each conveying pipeline comprises a thick pipe assembly and a thin pipe assembly; the thick pipe assembly comprises a main liquid storage tank and a thick pipe, one end of the thick pipe is connected with the main liquid storage tank, the other end of the thick pipe is provided with a thick pipe liquid outlet located above the container, a thick conveying pump is arranged on the thick pipe, and a self-flowing section is arranged between the thick conveying pump and the thick pipe liquid outlet; the slim tube assembly comprises an auxiliary liquid storage tank and a three-way valve, the three-way valve is provided with a dropper, a liquid return tube and a liquid extraction tube, and one end of the dropper is provided with a liquid dropping port; one end of the liquid return pipe is communicated with the auxiliary liquid storage tank, and a fine conveying pump is arranged on the liquid return pipe; one end of the liquid pumping pipe is inserted into the self-flowing section; and a weight sensor is arranged below the container. According to the invention, when the thick pipe is used for fast large-flow conveying, non-dripping fast cutoff of the thick pipe can be realized, then high-precision dripping is carried out through the liquid dripping opening, and high-precision and fast quantitative liquid conveying is realized.

The present disclosure relates to a solid particle gravity conveying lock hopper device, comprising at least two structural units, and the structural units are connected in series two by two, each structural unit comprises a particle conveying area and a bypass area which are in communication with each other, the upper end of the particle conveying area is an inlet and the lower end is an outlet; the bypass area is free of solid particles and only has fluid flow, and the inlet and outlet of the bypass area are in communication with the particle conveying area, and the inlet of the bypass area is located below the outlet of the bypass area; the fluid comprises a first flow path and a second flow path, in the first flow path, the fluid flows from bottom to top in the particle conveying area and flows from the outlet of the particle conveying area to the inlet of the particle conveying area; in the second flow path, the fluid flows from the outlet of the particle conveying area to the inlet of the bypass area to flow in the bypass area, and the fluid flowing out of the outlet of the bypass area flows to the inlet of the particle conveying area. The lock hopper device can maintain the system pressure difference, reduce the gas flow, and reduce the equipment cost.

A water treatment system for a water reservoir comprises a collection box; a rotary drum filter arranged to receive gravity flow from the collection box through a receiving line; a primary bio-filter; a secondary bio-filter; one or more connecting lines originating at the rotary drum filter and comprising at least a first outlet line connected to the primary bio-filter and a second outlet line connected to the secondary bio-filter, the second outlet line comprising a pump; and a return line originating at the primary bio-filter and terminating at the water reservoir. The collection box has a bottom and sides defining an interior volume, and comprises a first water intake having a first riser; a second water intake having a second riser; and a third water intake having a third riser, each riser being disposed inside the interior volume and extend upwardly from the bottom of the collection box.

The invention relates to the field of titration experiments, in particular to an air pressure driven anti-blocking viscous aid titration device and method. The pneumatic-driven anti-blocking viscous aid titration device comprises a burette, a sealing cover and the like, and the burette is screwed with a sealing cover through threads. Through inert gas constant-pressure driving, viscous resistance is overcome, pipe wall adhesion is inhibited through gas pressure, the problem of blockage is avoided during continuous titration of an auxiliary agent, and compared with traditional gravity titration, the flow velocity fluctuation rate of the auxiliary agent is greatly reduced, so that the experiment batch difference is effectively reduced, and the experiment efficiency is improved. It is guaranteed that the auxiliaries stably flow out in the state of filling the outflow channel all the time under the condition of any discharging opening, and the problems that under the condition that an existing valve is small in opening, the auxiliaries flowing out by means of gravity cannot flow out in the state of filling the outflow channel, and then part of the auxiliaries adhere to the inner wall of the channel in the outflow process and cannot flow out in time are solved. And the flow rate fluctuation rate of the auxiliary agent is large.

The invention discloses a gravity flow slope cropland in-situ soil leaching solution collector, and belongs to the technical field of soil measurement sample collection, the gravity flow slope cropland in-situ soil leaching solution collector comprises an isolation cylinder, a middle frame is connected below the isolation cylinder, a connecting hopper is connected below the middle frame, a liquid collecting pipe is connected below the connecting hopper, and the bottom end of the liquid collecting pipe is communicated with a collecting barrel. According to the device, a moving frame, a supporting net, a driving assembly, a flushing nozzle, a connecting gear and a stirring rod are adopted, the stirring rod is used for turning over gravel in the containing cavities, meanwhile, high-pressure water flow sprayed out of the flushing nozzle is matched, the gravel is fully cleaned, impurities or particles accumulated between the gravel are flushed down, meanwhile, the positions of the two containing cavities and the gravel are exchanged, and therefore the gravel can be conveniently cleaned. The gravel on the other side is replaced to the filtering position while the gravel on one side is conveniently cleaned, work can be continuously kept, cleaning and replacing operation is rapid and convenient, the leaching solution collecting efficiency cannot be greatly affected, and it is guaranteed that leaching solution collecting is accurate to a certain degree.

The present invention relates to a method for classifying the genetic types of seepage barriers in deep-sea waterways, and belongs to the technical field of geological exploration for oil and gas field development. The present invention discloses a method for classifying the genetic types of seepage barriers in deep-sea waterways, comprising obtaining the sedimentation process, scale, lithology, distribution location, and gravity flow genetic type of the deep-sea waterway; classifying the genetic types of the seepage barriers in the deep-sea waterway into landslide-induced seepage barriers, debris flow-induced seepage barriers, low-density turbidite-induced seepage barriers, and semi-pelagic sediment-induced seepage barriers based on the gravity flow genetic type of the deep-sea waterway; and further finely classifying the genetic types of the seepage barriers in combination with the lithology, scale, distribution location, and sedimentation process of the seepage barriers. The present invention fills the gap in the classification scheme of the genetic types of seepage barriers within deep-sea waterways, thereby providing important geological basis and guidance for the evaluation of the continuity and connectivity within the reservoirs of deep-sea waterways.