11results about How to "Solve silt" patented technology

The utility model discloses a large-scale steel structure assembly type multifunctional artificial fish reef with high environment adaptability to deepwater, which relates to the technical field of marine ranch construction, and comprises a plurality of groups of support column components, each support column component comprises a first upright post, a second upright post and a third upright post which are sequentially lowered from inside to outside, the first stand column, the second stand column and the third stand column are detachably connected through a plurality of first cross beams, the multiple sets of supporting column assemblies are arranged at equal intervals in the circumferential direction and connected through a plurality of second cross beams, and ecological flow guide plates are detachably assembled on the inner second cross beam and the outer second cross beam correspondingly. The bottoms of the first stand column, the second stand column and the third stand column are each provided with a stable anchor disc. The problems of subsidence and deposition of the reef body on the soft soil foundation are solved, and the adaptive capacity of the reef body to the environment is improved; the function of various flow field conditions is realized through the flexibly adjustable ecological flow guide plate, and the required flow field effect can be formed by adjusting the distribution and angle of the ecological flow guide plate according to the flow field requirement.

The lithium carbonate channelization continuous leaching reaction device comprises a slurry tank, a solution tank and a discharging tank and further comprises a discharging pipeline, a first feeding pipeline and a second feeding pipeline, and the first feeding pipeline and the second feeding pipeline are arranged in parallel. The leaching reaction device further comprises a plurality of slurry heat exchangers, a plurality of solution heat exchangers and a plurality of leaching reactors connected in sequence, pipe passes of all the slurry heat exchangers are sequentially connected to the first feeding pipeline in series, and shell passes of all the solution heat exchangers and shell passes of all the slurry heat exchangers are connected to the second feeding pipeline in a crossed and series mode. The first feeding pipeline and the second feeding pipeline are connected with the first leaching reactor, the leaching reaction device further comprises a heating device connected with the first leaching reactor, and pipe paths of all the solution heat exchangers are sequentially connected to the discharging pipeline in series. The problems that in the prior art, in the leaching process of the lithium-containing slurry, scabbing of a heat exchange surface is serious, and solid materials of a shell layer of a heat exchange pipeline are deposited and cannot be cleaned in the waste heat utilization process of the leached slurry are solved.

The water filling and sand disturbing integrated gate structure comprises a hollow screw rod, the upper end of the hollow screw rod is connected with a high-pressure water / gas conveying device, and the lower end of the hollow screw rod is connected with a gate through a long hole extending in the vertical direction; the hollow screw rod can drive the gate to move up and down under the action of the driving device; a pressurizing water seal system is arranged on the periphery of the gate panel, and a gate sand disturbing system is further arranged on the gate panel. The pressurizing water seal system comprises a water seal structure and a pressurizing pipeline connected with the water seal structure, the pressurizing pipeline is connected with the hollow screw through a second high-pressure hose, a first one-way valve and a reversing water filling valve are sequentially arranged on the pressurizing pipeline in the pressurizing direction, and opening and closing of the reversing water filling valve are achieved through vertical movement of the hollow screw. The device is simple and compact in structure, has the core functions of transmitting opening and closing force and conveying water and gas, and achieves the dual purposes of water seal water filling and gate sand disturbing.

The invention discloses a horizontal full-diameter bidirectional eccentric hemispherical valve, comprising a valve body, an eccentric hemispherical valve arranged in a valve cavity of the valve body, an inlet end and an outlet end arranged at the left and right ends of the valve body, a floating valve seat arranged at the outlet end, a main sealing ring and a ball crown arranged on the eccentric hemispherical valve, a sealing pair formed by the floating valve seat and the main sealing ring, a first pressure chamber arranged between the inner side of the main sealing ring and the eccentric hemispherical valve, and a second pressure chamber arranged between the end face of the floating valve seat and the valve body. The front and rear ends of the eccentric hemispherical valve are respectively connected with a front valve stem and a rear valve stem, the eccentric hemispherical valve, the front valve stem and the rear valve stem form a valve shaft, the valve shaft is in a horizontal direction, a valve cover is arranged on the upper part of the valve body, an arc bottom matching the inner circle of the diameter is arranged at the lower end of the valve body, and the eccentric hemispherical valve forms a full-circle flow channel with the arc bottom after opening. The invention adopts a horizontal structure, has a small height, is easy to maintain by opening the cover, and realizes the online maintenance function; the flow channel is unobstructed, the water loss is small, and there is no impurity accumulation; the forward and reverse seals are suitable for circulating water and various special working conditions.

The invention discloses a composite section stilling pool, belongs to the technical field of stilling pool design, and can solve the problems that energy dissipation and sand discharge / debris flow discharge cannot be both considered in an existing flood discharge and energy dissipation structure, and the operation safety of the flood discharge and energy dissipation structure is endangered due to the fact that ice is easily formed at an outlet during small-flow operation in winter. The stilling pool comprises a pool body structure which comprises a bottom plate and side walls vertically connected to the two opposite ends of the bottom plate; the multiple flow guiding and force eliminating structures are distributed on the bottom plate in multiple rows in the water flow direction, and each flow guiding and force eliminating structure is provided with a flow guiding face and a water blocking face; the included angle between the flow guide face and the corresponding side wall is an acute angle and used for guiding water flow to the middle of the bottom plate. The damming surface is connected to the downstream end of the flow guide surface and used for damming; the water blocking surface is higher than the flow guide surface; the torrent groove is formed in the middle of the bottom plate in the water flow direction; and the multiple flow guide and force absorption structures are distributed on the two sides of the torrent groove. The invention is used for the stilling structure.

This invention relates to a modular, anti-siltation bottom aquaculture device. The device includes an aquaculture module and an anti-siltation module. The aquaculture module has a cubic frame structure, within which several shellfish aquaculture cages or ropes are installed. The anti-siltation module includes several flip-up plates spaced apart on the lower plane of the cubic frame structure of the aquaculture module. This invention can be customized to suit the seabed characteristics of different sea areas, and each device is an independent aquaculture space, facilitating processing, transportation, assembly, and deployment. It is highly practical and effectively reduces labor and transportation costs. The anti-siltation module has a simple structure and can freely switch between deployment and harvesting states, effectively solving the siltation problem in bottom aquaculture. To increase service life, an anti-corrosion module can be added, fixing sacrificial anodes to the aquaculture module. This invention significantly reduces aquaculture costs and enables large-scale, green, and ecological shellfish aquaculture in bottom sea areas, demonstrating strong applicability and economic viability.

The application discloses a kind of natural microhabitat mimic eel ecological nest and indoor circulating water integrated aquaculture method, belong to special aquatic facilities breeding field.Ecological nest is modularization detachable structure, from top to bottom includes: upper biological water purification layer, middle layer bionical habitat layer and lower layer pollution collection and flow guide layer, upper biological water purification layer is mixed by diatomite, porous volcanic rock and biological carrier according to 2:1:1, and aquatic plants are planted;Middle layer bionical habitat layer is equipped with graded curved corridor with inner diameter of 8-10mm and 16-20mm;Lower layer pollution collection and flow guide layer is equipped with 1.5° inclined flow guide groove, hollow bottom hole and sewage outlet at bottom, and nest material is biobased composite material made of plant fiber, degradable plastic and diatomite according to 3:5:2.The application realizes habitat, prevents residual killing, water purification, automatic sewage integration, and the survival rate of eels cultured by the ecological nest is 92.3%, the residual killing rate is only 2.1%, ammonia nitrogen is less than or equal to 0.2mg / L, unit output is increased by 42%, and water replenishment amount is reduced by 65%.

The utility model relates to the technical field of drainage devices, in particular to a building anti-blocking rainwater drainage device which comprises a drainage pipe, a filter screen is arranged at the input end of the drainage pipe, a support is arranged at the input end of the drainage pipe, a rotating column is rotationally connected to the middle of the support through a bearing, and a fixing plate is arranged at the left end of the rotating column. An elastic assembly is arranged at the left end of the fixing plate, and a scraping plate is arranged at the left end of the elastic assembly. According to the building anti-blocking rainwater drainage device, a motor is started to drive a driving belt wheel to rotate, then under the transmission effect of a belt, a driven belt wheel can drive a rotating column, a fixing plate, a telescopic rod, a telescopic cylinder and a scraping plate to rotate, then the scraping plate can scrape impurities on a filter screen, and the situation that a drainage pipe is blocked is avoided; the problems that in the prior art, a rainwater drainage pipe is often blocked, so that rainwater cannot be smoothly drained, and rainwater deposition is caused are solved.

The bus duct comprises a shell structure, a busbar structure arranged in the shell structure, and connecting side lugs arranged on the two sides of the shell structure. The shell structure comprises two side plates and two cover plates, the side plates and the cover plates are alternately connected to form a busbar structure placement space with openings at two ends, a wiring end of the busbar structure extends out from the openings at the two ends, and the connecting side lugs extend towards two sides from the openings at the two ends of the placement space along the extending direction of the wiring end; vertical drainage holes are formed in the surface of the cover plate and used for draining liquid on the surface of the cover plate when the cover plate is placed upwards, and horizontal drainage holes are formed in the connecting side lugs and used for draining liquid on the surfaces of the side plates when the side plates are placed upwards. Through the design of the vertical drainage holes and the horizontal drainage holes, water prevention and drainage of the bus duct in multi-angle placement in the using process are achieved.

The utility model belongs to hydraulic engineering technical field discloses a kind of integrated pump lock from cleaning and improving flow state, including first maintenance lock, second maintenance lock, door groove and the intermediate lock being set in door groove, the intermediate lock is equipped with lock pump on horizontal installation, the inlet end of this lock pump is equipped with fairing, the core component of fairing is eccentric reducer, and the pipe outer wall above its major axis horizontal plane is equipped with several outer guide vanes of helical body structure;The utility model greatly reduces the minimum suction liquid level required by water pump by the unique eccentric reducer structure, so that the sewage at the bottom of flow passage can be effectively discharged, and at the same time, the outer guide vanes can induce the upper water body to form a downward rotating flow field during water pump operation, strongly impacting and stirring the bottom sludge, making it float and be sucked and discharged, realizing the self-cleaning function of the flow passage, effectively solving the problem of bottom sludge accumulation, improving the water inflow flow state and ensuring the reliable and efficient operation of the water pump.

The present invention provides an automatic monitoring device for the relaxation depth of surrounding rock, which is used for deep detection in a borehole. The device includes: an acoustic wave acquisition probe and a camera probe integrated into an integrated structure, the acoustic wave acquisition probe includes an acoustic wave transmitting probe and at least one pair of acoustic wave receiving probes, and the camera probe, the acoustic wave transmitting probe and at least one pair of acoustic wave receiving probes are arranged at intervals; a pair of mobile devices, which are correspondingly arranged at both ends of the integrated structure, and are used to drive the integrated structure to move in the borehole; an orifice plugging device, which is arranged at one end of the integrated structure away from the deep part of the borehole, and is used to temporarily plug the orifice of the borehole after the integrated structure enters the borehole; a control component, which is electrically connected to the acoustic wave acquisition probe and the camera probe, and is connected to an external mobile terminal device for communication. The drawbacks of the existing detection equipment with repeated and low cross automation are solved; it can be widely used in the field of deep surrounding rock detection technology.