3020 results about "Outfall" patented technology

The invention provides a sewage AI intelligent management and control system based on a neural network algorithm, which comprises multi-source data acquisition units, an algorithm processing unit and an execution feedback unit, and is characterized in that the multi-source data acquisition units are deployed at a water inlet and a water outlet of a sewage treatment assembly line and in a biological reaction tank; comprising a fast parameter detection array composed of a pH sensor, a conductivity sensor, a dissolved oxygen sensor, a turbidity sensor, a temperature sensor and an ORP sensor. The process state monitoring group consists of an aeration equipment rotating speed sensor, a reflux pump flowmeter and a sludge concentration meter; the fast parameter detection array and the process state detection group are connected with the edge computing node through an industrial bus, perform sliding window mean filtering preprocessing on original data, generate regulation and control instructions of aeration rate, reflux ratio and sludge discharge frequency through model calculation, and send the regulation and control instructions to the execution unit; the complete refined AI intelligent control sewage treatment system based on the neural network algorithm is realized.

The present disclosure provide a shower column, including a water passing body, where the water passing body includes at least five water passing ports, namely a water inlet, a through port, a switching port, and at least two water outlets, the water inlet is in communication with the switching port via the through port, and the switching port is in communication with the two water outlets; a valve body, provided on the switching port and configured to select at least one of the water outlets to communicate with the water inlet; and a functional part, provided on the through port. At least five water passing ports are arranged on the water passing body and the multiple water passing ports are close to each other and concentrated, simplifying the structure of the water passage and reducing the volume of the water passing body.

The invention relates to a river network grading system and method based on a graph theory and confluence cumulant, and belongs to the technical field of water conservancy projects and geographic information. Comprising the following steps: acquiring original DEM data and water system data, and converting the water system data to a preset projection coordinate system; extracting a primary river network based on the DEM data, and screening the primary river network in combination with the length of the river network and the area of the drainage basin to obtain a simplified river network; river network flow calculation: carrying out flow assignment on each river network element in the simplified river network based on the confluence cumulant; graph theory modeling: abstracting the simplified river network into a directed graph model; and river network grading: reverse tracing is carried out by taking the water outlet as a starting point, and the hierarchical relationship between the trunk and the branch is determined by combining the in-degree / out-degree and the edge weight of the node, so that river network grading is realized. According to the method, river network grading is upgraded from morphological description to hydrological function description, and the method is suitable for high-precision river network refined analysis, intelligent water conservancy emergency management and other scenes.

The invention discloses an anti-clogging water supply and drainage filtering device, and relates to the technical field of water supply and drainage filtering, the anti-clogging water supply and drainage filtering device comprises a water supply and drainage pipeline, and the front end and one side of the water supply and drainage pipeline are respectively provided with a water inlet and a water outlet. The driving motor drives the supporting shaft A to enable the rolling brush to revolve, the rolling brush reversely rotates by means of the fluted disc A and the gear ring A, and dynamic shearing force is formed to efficiently strip impurities on the surface of the filter screen; the inclined push plate and the rolling brush guide the stripped impurities into the impurity guide piece through centrifugal force, and the spiral piece is combined for discharging, so that secondary blockage is avoided; the supporting shaft A is linked with the supporting shaft B through the belt pulley group, so that the filter screen reversely rotates at a constant speed, the relative speed of the rolling brush and the filter screen is multiplied, the impurity stripping effect is enhanced, loose impurities are thrown to the edge of the filter screen through centrifugal force, the accumulation risk of a central area is reduced, and self-cleaning of the filter screen, directional discharging of the impurities and dynamic prevention and control of the blocking risk are achieved through the mode. The continuous operation efficiency of the water supply and drainage filtering device is effectively improved, and maintenance cost and energy consumption are reduced.

The invention discloses an indoor water tank sediment pushing characteristic acquisition system and method, the system mainly comprises a water tank main body, a buffer unit, a drainage adjusting unit, a sediment throwing device, an imaging unit, an adjustable support and a data processing unit, and according to the method, non-contact data acquisition is carried out through a high-definition camera and a three-dimensional terrain measuring instrument; automatic identification, parameter extraction and migration speed calculation of landforms such as sand waves are achieved, the sediment bed surface is not touched in the whole process, damage to the bed surface form caused by traditional contact type measurement is eliminated, and the authenticity and reliability of data are ensured. Meanwhile, the buffer design of the combination of the flow slowing plate and the multi-stage water baffle is adopted, the kinetic energy of water flow is effectively dissipated through the graded water outlet structure, the impact force of injected water flow is greatly reduced, the bed surface is prevented from being scoured in the initial water injection stage, and the stability of the initial test condition is powerfully protected.

A water surface cleaning apparatus, which includes: a housing including a front end located close to a traveling direction of the apparatus and a rear end far away from the traveling direction of the apparatus; a filtering unit detachably arranged in the housing and including a water inlet and a water outlet, for filtering water entering the filtering unit via the water inlet and discharging filtered water out of the filtering unit via the water outlet; a driving unit for driving the apparatus to travel on the water surface; waterflow channels are symmetrically arranged on both sides of a longitudinal axis between the front end and the rear end, and the driving unit can drive the apparatus to travel on the water surface by driving the waterflow passing through the waterflow channels; a direction of the waterflow path provided by the waterflow channel is inclined to the longitudinal axis.

The utility model provides a water outlet control mechanism and a water outlet device, and relates to the technical field of water outlet. The water outlet control mechanism comprises a main body and a water outlet control structure, wherein the main body is provided with a water inlet and a water outlet; the water outlet control structure is at least partially arranged in the main body, and the water outlet control structure is configured to move relative to the main body, so that the water inlet and the water outlet are selectively communicated, and the water outlet control structure is switched between a quantitative water outlet mode and a non-quantitative water outlet mode. Free switching between a quantitative water outlet mode and a non-quantitative water outlet mode can be achieved through the water outlet control structure, the modes are convenient to switch when a user uses the water dispenser, and the use feeling of the user is improved. Meanwhile, the main body is provided with the water inlet and the water outlet, the water paths in the quantitative water outlet mode and the non-quantitative water outlet mode can share the same water inlet and the same water outlet, additional water inlets or water outlets do not need to be added, and the production and manufacturing cost is saved.

The invention discloses an intelligent diversion treatment device for a discharge port, and relates to the technical field of rainwater and sewage diversion. The intelligent diversion treatment device comprises a diversion barrel, the interior of the diversion barrel is divided into a fan-shaped isolation area through two baffles, a water inlet of the diversion barrel is located in the fan-shaped isolation area, water falling ports are formed in the two baffles, and rotating plates are connected to the portions, on the outer side of the fan-shaped isolation area, of the diversion barrel. Cleaning grooves are formed in the bottoms, close to the positions of the two baffles, in the fan-shaped isolation area, sewage draining outlets are formed in the bottoms of the cleaning grooves, rotating drums are rotationally connected into the cleaning grooves, and first packing augers driven by second motors are rotationally arranged in the rotating drums; the rotating shaft drives the rotating plate to rotate and simultaneously drives the rotating drum to rotate, so that the fan-shaped isolation area and the drain outlet are communicated or staggered by the drain channel. Rainwater and sewage can be distributed, and sludge and solid garbage can be automatically removed.

The utility model discloses a solid-liquid separation device for wastewater treatment, which comprises a tank body, and a water inlet and a water outlet which are symmetrically arranged on the side wall of the tank body, a driving mechanism is arranged on the side wall of the tank body, the output end of the driving mechanism extends into the tank body and is connected with a rotating frame, and one end of the rotating frame close to the driving mechanism is of a closed structure. One end of the rotating frame is open, the other end of the rotating frame is of an open structure, the open structure is supported through a supporting structure, the rotating frame is covered with a filtering roller, and a waste discharging assembly is arranged in the filtering roller. Wastewater enters from the water inlet, is filtered and then is discharged from the water outlet, solids in the wastewater enter the filtering roller and rotate along with the scraper, and when the solids rotate to a high point, the flushing pipe is externally connected with a pump body, and the solids attached to the scraper are flushed down, fall into the waste discharge groove and finally are discharged from the waste discharge pipe through the spray head to the filtering roller. And solids in the wastewater are separated, so that solid-liquid separation is realized.

The utility model discloses a prefilter which comprises a shell part and a filter element, the shell part is provided with a water inlet, a water outlet and a drain outlet, the filter element is arranged in the shell part and is matched with the shell part to form a raw water cavity communicated with the drain outlet and a purified water cavity communicated with the water outlet, a water inlet channel is arranged between the water inlet and the raw water cavity, and a water outlet channel is arranged between the water inlet and the purified water cavity. A backwashing channel is arranged between the water inlet and the water purification cavity, and a plugging piece for opening and closing the sewage draining exit is arranged at the sewage draining exit; and the water path switching mechanism is arranged on the shell part and is used for controlling the switching opening of the water inlet channel and the backwashing channel. When the pre-filter disclosed by the utility model is in a filtering state, the backwashing channel is in a closed state, so that if a backwashing filter screen is arranged on the backwashing channel, the backwashing filter screen cannot filter water flow in the filtering state, so that dirt on the backwashing filter screen can be reduced, and normal filtering of the backwashing filter screen in the backwashing state is ensured.

The invention discloses an offshore water quality comprehensive treatment device utilizing an artificial wetland technology, and belongs to the technical field of sewage treatment. The offshore water quality comprehensive treatment device comprises a base, a water inlet and a water outlet are formed in the two sides of the base respectively, a lifting cavity corresponding to the water outlet is formed in the base, and a balancing weight is arranged in the lifting cavity in a sliding fit mode; lifting columns are symmetrically and integrally formed at the top end of the balancing weight, air cavities are symmetrically formed in the base, the top ends of the two lifting columns extend into the corresponding air cavities respectively and are in sliding fit with the air cavities, and ventilation assemblies used for conveying air in the air cavities to the water collection and drainage layer are arranged on the inner side walls of the air cavities; a plurality of teeth are arranged on one side of each lifting column in the length direction of the lifting column, and the teeth are meshed with swing assemblies used for generating periodic arc-shaped swing. And a vibration bracket is embedded in the filler layer. According to the invention, offshore tidal energy is utilized to realize self-adaptive opening and closing of the water outlet, and meanwhile, alternate shearing force is generated on the filtering filler in the base, so that the possibility of hardening of the filler after long-time working is reduced.

The present disclosure provides a method for simulating the environmental exposure concentration of chemical substances in lakes that meets the scale of a watershed, including: dividing the lake into regions according to a division rule to obtain multiple partitions, and recording the geometric parameters of each partition, the division rule including a first rule that the only water outlet and the water inlet of the lake are divided into different partitions and a second rule that the regional division meets the needs of chemical substance concentration management; calculating the calculated water flow rate between each partition on the same day and the calculated water outflow rate of the water outflow partition based on the daily hydrological data from the watershed hydrological model, the estimated value of the water level of each partition and the geometric parameters; optimizing and adjusting the partition by adjusting the water level or volume of the partition based on an optimization index, the optimization index including a first index related to the calculated water outflow rate of the water outflow partition on the same day and a second index related to the water flow rate between each partition on the same day; calculating the daily chemical concentration of the adjusted partition based on the chemical substance data from the watershed hydrological model.

The invention discloses a seawater desalination hydrogen production device which comprises a base with a closed bottom and an axially-through shell barrel, seawater through holes are formed in the side wall of the base, and the shell barrel is fixed to the top of the base; the pneumatic lifting mechanism comprises an air-closed pneumatic head, a pneumatic head bracket and a connecting bracket which are sequentially connected from top to bottom, and a connecting rod of which one end is connected with the output end of the pneumatic head and the other end is fixed at the top of the filter cartridge; the side wall of the filter cartridge is coated with a selective permeable membrane, a plurality of filter holes are formed in the filter cartridge, and a water inlet and a water outlet are formed in the bottom of the filter cartridge; the water inlet pipe connected with the water inlet and the water outlet pipe connected with the water outlet are used for forming an alkali liquor circulation path; the air-closed pneumatic head is controlled to drive the filter cartridge to lift so as to adjust the osmotic pressure difference, so that seawater desalination and alkali liquor concentration dynamic balance are realized. The device can automatically ascend and descend according to the liquid level height in the filter cartridge, and the proportion of alkali liquor to pure water in the filter cartridge is regulated and controlled.

The invention relates to the field of water quality monitoring, in particular to a water area environment water quality on-line intelligent monitoring device and method, and the water area environment water quality on-line intelligent monitoring device comprises a shell, a defoaming mechanism and a monitoring mechanism; a water inlet and a water outlet are formed in the shell, and a water flow channel is formed in the shell; a water inlet valve is mounted at the water inlet; the defoaming mechanism comprises a negative pressure cylinder arranged in the shell and a piston assembly arranged in the negative pressure cylinder; the piston assembly moves upwards to suck the water flow channel to negative pressure, bubbles in water flow are promoted to be separated out, the pressure difference between the two sides of the water inlet valve is increased, and the water flow is promoted to enter the water flow channel through the water inlet valve. The opening threshold value of the water inlet valve is adjusted according to the gas amount in the water flow, so that new water flow enters from the water inlet valve when the piston assembly sucks the water flow channel till the absolute value of the negative pressure is large enough, and the separation effect of bubbles in the original water flow and the new water flow in the water flow channel is guaranteed. And the water quality monitoring accuracy of the monitoring mechanism is improved.

The utility model discloses a semi-automatic backwashing laminated filter. The external structure of the semi-automatic backwashing laminated filter comprises a handle, a filter base body, a water inlet, a water outlet, a laminated shell, a blow-down valve, a blockage indicator, a filter screen flushing valve and the like, the internal structure comprises a flow direction selector, a butterfly check valve, a laminated filter element, a rotational flow centrifugal disc, a laminated compression inner cover, a laminated compression outer cover, a spring between the laminated compression inner cover and the laminated compression outer cover and the like. The channel position of the flow direction selector is switched by rotating the handle, so that the switching between the filtering mode and the backwashing mode is realized. In a filtering mode, muddy water flows into a raw water cavity outside the lamination after being accelerated by the rotational flow centrifugal disc, impurities are intercepted, and clear water flows into a downstream pipeline; and in a backwashing mode, the water flow is sprayed out from the spraying holes in the filter element frame by pressing the position of the lamination for compressing the inner cover and loosening the lamination, so that impurities are eluted from the lamination and discharged through the blow-down valve. In addition, a filter screen is arranged on the flow direction selector to intercept impurities of flushing water, and the filter screen can be flushed in a filtering mode. The utility model has the advantages of convenient use and simple structure.

The invention belongs to the field of polluted groundwater remediation, discloses a test device and method for photocatalytic regulation and control of the service performance of a permeable reaction barrier, and aims to provide the test device for the service performance of the permeable reaction barrier and improve the test accuracy. The equipment comprises a polluted underground water simulation device, an underground water inlet device, a permeable reaction barrier, an underground water outlet device, a water catchment device, a metering device and a monitoring device, a water outlet of the polluted groundwater simulation device is connected with a water inlet of the groundwater inlet device, the groundwater inlet device, the permeable reaction barrier and the groundwater outlet device are sequentially connected, and a sealing plate capable of moving up and down is arranged on one side, close to the groundwater inlet device, of the permeable reaction barrier; a water outlet of the underground water outlet device is connected with the water catchment device, a water outlet of the water catchment device is connected with the metering device, and the monitoring device is respectively connected with the polluted underground water simulation device, the underground water inlet device, the underground water outlet device, the water catchment device and the metering device.

The utility model discloses a prefilter and water consuming system relates to prefilter technical field, wherein prefilter includes shell, filter subassembly and outer skeleton, the shell is provided with water filtration cavity, and is communicated water inlet, water outlet and drain outlet of water filtration cavity, water inlet is communicated with water supply end, water outlet is communicated with water consuming end; the filtering assembly is arranged in the water filtering cavity and comprises a plurality of filtering modules distributed in the first direction, each filtering module is provided with a water passing cavity, a first water passing opening and a second water passing opening, the first water passing openings and the second water passing openings are communicated with the water filtering cavity, the second water passing openings are provided with filtering pieces, and at least part of each filtering piece is obliquely arranged; the outer framework is arranged on the outer side of the filtering assembly and provided with a siphon flow channel, a siphon hole and a first discharging opening, the siphon hole and the first discharging opening are communicated with the siphon flow channel, the siphon hole corresponds to the filtering piece, and the first discharging opening is communicated with the sewage draining opening. According to the technical scheme provided by the utility model, the filtering assembly can be flushed, so that the filtering effect of the filtering assembly is ensured.

The cooling runner system comprises a water inlet, a water inlet runner, a water uniformizing device, a water outlet runner and a water outlet, the water inlet runner penetrates through a rotating shaft and is located on the axis of the rotating shaft, the water inlet is formed in the side edge, close to the lower portion, of the water inlet runner, and the output end of the water inlet is connected with the input end of the water inlet runner; a water uniformizing device is arranged in the crucible body, the top of the water inlet flow channel penetrates through the center of the bottom of the crucible body and the water uniformizing device to reach the upper portion of the water uniformizing device, the water uniformizing device comprises a water uniformizing disc and guide pieces, the upper side surface and the lower side surface of the water uniformizing disc are each provided with a plurality of guide pieces diverging towards the periphery, and the guide pieces on each side are arranged in the circumferential direction of the circle center of the water uniformizing disc. The water outlet runner is arranged on the outer ring of the water inlet runner, so that the inner wall of the water outlet runner and the outer wall of the water inlet runner form a water flow passageway for water outlet, the input end of the water flow passageway is connected with the output end of the water uniformizing device, and the output end of the water flow passageway is connected with the water outlet.

The utility model belongs to the technical field of quartz sand pickling equipment, and particularly relates to a quartz sand washing barrel which is arranged below a quartz sand pickling barrel and at least comprises a barrel body, the top of the barrel body is open, a working platform is arranged on the top or the upper portion of the barrel body, a circle of overflow groove is arranged on the outer wall of the top of the barrel body, and the top face of the overflow groove is slightly lower than the top face of the barrel body. The bottom of the barrel body is provided with a plurality of water nozzles, the water nozzles are connected with a water inlet pipe, water in the water inlet pipe enters the quartz sand washing barrel through the water nozzles, and the bottom of the barrel body is also provided with a water outlet and a sand outlet connected with a sand pump; and an outlet of a sand discharge port of the quartz sand pickling barrel or an outlet of the sand separation box connected with the outlet of the sand discharge port of the quartz sand pickling barrel is fixed on the edge of the top of the quartz sand washing barrel and is close to the working platform. According to the quartz sand washing barrel, the top of the barrel body is open, the quartz sand washing condition can be directly checked at any time in the washing process, and the water inlets are evenly distributed in the bottom of the barrel body.

The utility model discloses a waterway system and water purification equipment, and relates to the technical field of water purification, the waterway system is provided with a gas inlet end, a water inlet end and a water outlet end, the waterway system comprises a gas inlet valve, a jet device, a booster pump and a gas mixing tank, the gas inlet end and the water inlet end are both communicated with the jet device, the jet device is communicated with the booster pump, and the booster pump is communicated with the water outlet end; the booster pump comprises a base, a diaphragm assembly and a pump cover. The diaphragm assembly is arranged on the base; the pump cover is connected with the base and provided with a water inlet and a water outlet. A low-pressure cavity and a high-pressure cavity are formed between the pump cover and the diaphragm assembly, the low-pressure cavity is communicated with the water inlet, the high-pressure cavity is communicated with the water outlet, the volume of the low-pressure cavity is V1, the volume of the high-pressure cavity is V2, and V1 / V2 is larger than or equal to 1.5 and smaller than or equal to 3. According to the booster pump, the air pumping efficiency of the booster pump can be improved, and therefore it is guaranteed that a waterway system continuously discharges microbubble water, and user experience is improved.

The invention relates to a water pump scheduling method for estimating lift based on data driving, which comprises the following steps: calling structural information and sensing data, calculating friction loss and structural symmetry, extracting differential pressure data flow gradient, judging load matching degree, activating path nodes, identifying differential pressure data change sections, and mapping a calculation path. According to the method, dynamic correction and compensation of input parameters are achieved by means of conjoint analysis of the structural features of the water inlet and the water outlet and flow pressure difference data, and comprehensive judgment of the working condition matching degree and the periodic change state is combined, so that the flow resistance trend is judged, and the calculation result is corrected. The adaptability to cold load fluctuation and loop temperature difference change is enhanced, the response capability of lift calculation to water body characteristic change is improved by introducing flow resistance trend and viscous state factors, and the calculation stability of the model in different operation sections and the calculation accuracy of the model in complex working conditions are optimized by using a path activation configuration and output switching mechanism.

The invention provides an environment restoration system based on LNG-ORV cold drained water and fishery breeding. The environment restoration system comprises a reservoir, a seawater electrolysis module, an LNG-ORV gasification device, a central control unit, a multi-stage breeding workshop and a tail water treatment pond. The seawater electrolysis module is connected with the water storage tank, the water storage tank is connected with a water inlet of the LNG-ORV gasification device, a water outlet of the LNG-ORV gasification device is connected with a water inlet of the multi-stage culture workshop through a water inlet pipe, and a water outlet of the multi-stage culture workshop is connected with the tail water treatment tank; the water inlet pipe is provided with a residual chlorine detector and a temperature measurement and control instrument, and the residual chlorine detector, the temperature measurement and control instrument, the seawater electrolysis module and the LNG-ORV gasification device are electrically connected with the central control unit. According to the technical scheme, an LNG cold source is combined with fishery breeding, the cold energy resource of LNG is fully utilized, the breeding cost is reduced, and environment restoration is achieved.

The utility model discloses a temperature-force multi-field coupling coating waterproof performance testing device. The device comprises a temperature adjusting part; an inlet of the booster pump is connected with a water outlet of the temperature adjusting part through a first pipeline; a water inlet of the water tunnel system is connected with an outlet of the booster pump through a water inlet pipeline, and a water outlet of the water tunnel system is connected with a water inlet of the temperature adjusting part through a second pipeline; the water inlet pipeline comprises a water inlet main pipe connected with an outlet of the booster pump, a water inlet branch pipe and a depressurization drainage branch pipe which are respectively communicated with the water inlet main pipe, a water feeding valve arranged on the water inlet branch pipe, and an exhaust valve and an overflow valve which are arranged on the depressurization drainage branch pipe; in the height direction, the depressurization drainage branch pipe is higher than the water inlet branch pipe and the water inlet main pipe, and the water inlet branch pipe is lower than the water inlet main pipe; the test system is arranged on the water tunnel system in a communicating manner; and the exhaust pipeline is communicated with the water tunnel system. The waterproof performance of the waterproof coating can be tested under different temperature and pressure conditions, and safety and reliability are high.

The utility model relates to the field of water purification, in particular to a water filtering and cleaning integrated system of a water purifier and the water purifier, and the water filtering and cleaning integrated system of the water purifier comprises a water inlet pipe; a drain pipe; the filtering device is communicated with the water inlet pipe through a conveying pipe, a concentrated water outlet of the filtering device is communicated with the drainage pipe through a concentrated water pipe, and a concentrated water electromagnetic valve is arranged on the drainage pipe; the pure water tank is communicated with the pure water outlet of the filtering device through a pure water pipe; the delivery pump is arranged on the water inlet pipe, and the water inlet electromagnetic valve is arranged on the water inlet pipe; the reversing valve is provided with a water inlet and two water outlets, the water inlet is communicated with the water inlet pipe, one water outlet is communicated with the conveying pipe, and the other water outlet is communicated with the drainage pipe. The conveying pump pumps cleaning liquid into the water inlet pipe, the cleaning liquid passes through the concentrated water electromagnetic valve and then is discharged from the water discharging pipe, and therefore dirt in the corresponding pipeline, the conveying pump, the reversing valve and the concentrated water electromagnetic valve is cleaned. The water purifier comprises any one of the water filtering and cleaning integrated systems of the water purifier.

The utility model discloses a multi-point water inlet sewage treatment device, which relates to the technical field of sewage treatment, and mainly comprises a water inlet, an anaerobic A tank, an MABR-A1 tank, an O tank, an MABR-A2 tank, an MBBR-O tank, a sedimentation tank, a deep treatment tank, a water outlet and a gas supply system, two-point water inlet is arranged, the first water inlet is arranged at the front end of the anaerobic A tank, the second water inlet is arranged at the front end of the MABR-A2 tank, the third water inlet is arranged at the front end of the MBBR-O tank, and the third water inlet is arranged at the front end of the MBBR-O tank. The anaerobic A tank, the MABR-A1 tank, the O tank, the MABR-A2 tank and the MBBR-O tank are connected in sequence, the effluent of the MBBR-O tank enters the sedimentation tank, the settled water enters the deep treatment tank, the deep treatment tank adopts an upper water inlet to discharge water, a water outlet is formed in the bottom of the tail end of the deep sedimentation tank, and the gas supply system supplies gas to the MABR-A1 tank, the O tank, the MABR-A2 tank and the MBBR-O tank respectively. The device adopts two-point water feeding, fully utilizes a carbon source, degrades pollutants in water, and realizes efficient operation of water treatment.

The embodiment of the invention discloses a deep-cone thickener rake pressing prevention device for mine paste filling, a deep-cone thickener and a rake pressing prevention working method, and relates to the technical field of mine equipment, and the deep-cone thickener rake pressing prevention device comprises a top rotation assembly which is coaxially connected to a driving main shaft with a rake frame and is located above the rake frame, and the top rotation assembly is provided with a water injection port and a water outlet; the high-pressure pipeline assembly comprises a main pipeline and branch pipelines, the upper end of the main pipeline is connected to the water outlet and extends downwards to the surface of the scraper blade of the harrow frame along the outer side of the driving main shaft, the branch pipelines are arranged on the surface of the scraper blade along the trend of the scraper blade, and a plurality of connectors are arranged on the side walls of the branch pipelines along the trend of the scraper blade; the ends, close to the driving main shaft, of the branch pipelines communicate with the lower end of the main pipeline, a plurality of steel ball nozzles are arranged on the surface of the scraper in the distribution direction of the branch pipelines, water inlets of the steel ball nozzles are correspondingly connected to connectors of the branch pipelines, and water spraying openings of the steel ball nozzles face the bottom of the tailing cone pool.

The filter element assembly comprises a water path plate, a pretreatment filter element, a reverse osmosis filter element, a pressure tank and a one-way valve, the water path plate comprises a plate body, a plurality of filter element mounting seats and a water path structure part, the plurality of filter element mounting seats comprise a first mounting seat and a second mounting seat, and the first mounting seat and the second mounting seat are arranged on the plate body; an avoiding groove is concavely formed in the inner wall surface of the water path, the groove bottom of the avoiding groove is communicated with a water outlet of the water path plate, the pretreatment filter element and the first mounting seat are coaxially mounted, the reverse osmosis filter element and the second mounting seat are coaxially mounted, the pressure tank is communicated with a water outlet of the reverse osmosis filter element through the water path, and the one-way valve is arranged between the reverse osmosis filter element and the pressure tank. The receding groove is located between the connecting port of the waterway communicating pressure tank and the one-way valve. According to the arrangement, when the water purifier begins to discharge water, water in the pressure tank and water flowing out of the one-way valve respectively flow into the avoiding groove from the two sides of the avoiding groove, so that the water can be smoothly discharged from the water outlet of the waterway plate, and the water outlet efficiency of the water purifier is further improved.

The invention provides a sea water pump, and relates to the technical field of water pumps, the sea water pump comprises a pump shell, the pump shell is provided with a water inlet, a pumping chamber and a water outlet which are communicated in sequence, and the water inlet is perpendicular to the pump shell and detachably connected with a water inlet elbow; one end of the transmission shaft extends into the pumping chamber, and the other end rotationally penetrates through the bearing body to be connected with a driving motor; the main impeller is mounted on the transmission shaft and close to the water inlet; the auxiliary impeller is installed on the transmission shaft and located between the main impeller and the pump shell. The blades on the main impeller are made of copper, and the blades on the auxiliary impeller are made of rubber. A plurality of main impeller screw holes are distributed in the main impeller; the water inlet is connected with a filter. Due to the arrangement of the main blade screw holes, dynamic balance is conveniently achieved, pressure impact on the main impeller is reduced, and the main blade screw holes are used as auxiliary holes during assembly and disassembly. And the water inlet is connected with a filter, so that the normal work of the main impeller and the auxiliary impeller is prevented from being influenced due to the fact that large-volume soft marine organisms enter the pumping chamber.

The utility model relates to the technical field of faucets, in particular to a water-vapor separation box and a faucet, and aims to solve the problem that when the water outlet flow of an outlet of the water-vapor separation box on the faucet is changed, the water shape is easy to change, and water drops splash. In order to achieve the purpose, the water-vapor separation box used for being installed on the faucet comprises a shell, a water-vapor separation cavity is formed in the shell, a water inlet and an exhaust port which are communicated with the water-vapor separation cavity are formed in the shell, a water outlet communicated with the water-vapor separation cavity is formed in the bottom of the shell, and the water outlet serves as a water outlet of the faucet. A mesh plate is arranged at the water outlet, and the middle area of the upper surface of the mesh plate is sunken downwards relative to the edge area. Due to the fact that the middle area of the upper surface of the mesh plate is sunken downwards relative to the edge area, water flow at the water outlet converges towards the middle area of the mesh plate, the outlet water flow has a good outlet water shape, and the risk of water drop splashing is reduced.

The invention relates to the technical field of hydrological survey, in particular to an intelligent survey buoy for the sand content of water resources and a survey method thereof.The intelligent survey buoy comprises a buoy body, a filtering assembly, a floating body and a gravity center adjusting assembly. The buoy body is of a hollow tubular structure, and a tubular cavity is axially divided into more than one filtering cavity; the filter plate divides the filter cavity into a water inlet cavity and a water outlet cavity; the pressure sensor is arranged at the lower end of the filter plate; the gravity center adjusting assembly adjusts the gravity center of the buoy body. A water inlet and a water outlet are formed in the opposite side walls of the buoy body respectively. The buoy is placed in a water area to be measured, at the moment, under guiding of the guiding assembly, the water inlet directly faces the water flow direction, the filter plate filters water resources entering the filter cavity through the water inlet and discharges the filtered water resources from the water outlet, and the pressure sensor can detect the amount and quality of sand located on the filter plate; meanwhile, the distance sensor and the angle sensor can promote the buoy body to stably suspend in a measured water area, so that the accuracy of a detection result is ensured.