1836 results about "Sewage outfall" patented technology

The invention relates to the technical field of road cleaning and particularly relates to a scrubber and a non-motor vehicle road surface cleaning system using the scrubber. The scrubber comprises brushes formed by a plurality of circular brush discs. The brushes are connected with gears through springs, and heights can be adjusted automatically on uneven road surfaces, so that the circular brush discs are prevented from being abraded and bumped, and the brush service life is greatly prolonged; the brushes can rise and descend vertically by the controlling of a lifting motor to meet cleaning requirements of grounds of different heights. The invention further discloses the non-motor vehicle road surface cleaning system using the scrubber. The system comprises the scrubber and a water suction machine matched with the scrubber. The water suction machine follows traveling trajectories of the scrubber tightly, so that sewage and mud left by the scrubber is suctioned during cleaning constantly and drain the sewage and mud to roadside drainage ports timely to clean and dry the ground thoroughly. Accordingly, the cleaning cost is saved to the largest extent while the cleaning efficiency is guaranteed.

The invention provides an efficient photocatalysis water treatment device. The efficient photocatalysis water treatment device comprises a tank body, a quartz tube, a backflow port, an extra-ultraviolet tube, a three-dimensional ceramic honeycomb net photochemical reaction chamber, a sewage distributor, a sewage port, an aeration port, an aeration assembly, a sewage draining port, a medicine distributing assembly, a medicine port, a coarse filtering net, a high-pressure backwashing device, a high-pressure water port, a tail gas recovering port and a reciprocating motion device; three ports are formed at the lower part of the tank body, namely, an organic sewage port, the aeration port and the medicine port; the three-dimensional ceramic honeycomb net photochemical reaction chamber for loading the extra-ultraviolet lamp and a nanometer TiO2 photocatalyst are formed at the upper part of the tank body; and the tail gas recovery port is formed at the upper part of the tank body.

The invention relates to the technical field of big data, and discloses a pollution source positioning method and device based on big data, equipment and a storage medium. The pollution source positioning method based on big data comprises the following steps: monitoring a target river reach area within a preset time length range and acquiring data to obtain monitoring data corresponding to a plurality of sewage draining exits; classifying the pollutants based on a preset classification model to obtain a pollution source; calculating the pollutant discharge amount corresponding to the pollution source according to the pollutant concentration; calculating the correlation between the pollutant discharge amount and the monitoring data through a preset algorithm to obtain a pollution dischargerule portrait; when it is detected that the pollutant concentration exceeds the standard, conducting matching analysis on pollutants exceeding the standard according to the pollution discharge rule portrait, and obtaining a target pollution source; and when the target pollution source is an industrial source, determining a target enterprise from the pollution discharge rule portrait, and sendingpreset early warning information. According to the invention, by excavating the emission rules of different types of pollution sources, the accuracy of pollution source positioning is improved, and early warning is carried out in time.

The invention relates to a spray tower with the function of cleaning the packing layer, which includes a body, a water pipe, a packing layer and a water pump, and also includes a spraying mechanism, a cleaning mechanism and a sewage discharge mechanism. The cleaning mechanism includes a first support rod and a knocking block , a first transmission rod, a second transmission rod, a first drive assembly and two springs, the blowdown mechanism includes a second drive assembly, a second support rod, a moving block, a connecting rod, a scraper and a blowdown assembly, which has In the spray tower with packing layer cleaning function, the packing layer is beaten by the cleaning mechanism, and the dirt in the packing layer is cleaned out under the action of inertia, and the packing layer is sprayed by the spraying mechanism, thus realizing the cleaning of the packing layer. The cleaning of the packing layer can be kept clean, thereby improving the purification effect of the spray tower. Not only that, the sludge deposited in the spray tower is cleaned through the sewage discharge mechanism, which not only improves the efficiency of cleaning sludge in the spray tower, It also prevents sludge from clogging the sewage outlet.

A method for positioning an illegal sewage outfall. A mobile monitoring component with a water quality sensor is placed in a riverway for cruise; and during the cruise, if the water quality sensor detects pollution of the river water quality, a detection on any cross section of the riverway is carried out. If concentration of pollutants detected in the same cross section maintains the same, it shows that the mobile monitoring component is far from an illegal sewage outfall; then a one-dimensional water quality model is utilized to estimate a distance between the mobile monitoring component and the illegal sewage outfall; and the mobile monitoring component is sent to the estimated position in the riverway. If concentration pollutants detected in the same cross section changes, it shows that the mobile monitoring component is near to the illegal sewage outfall; then a Z-shaped search path method based on changes of pollutant concentration values is utilized for accurate positioning of an illegal sewage outfall. The invention has the advantages of simple principle, high degree of intelligence, stability, reliability and accurate positioning.

The invention relates to the technical field of water purification equipment, and particularly relates to a multifunctional water purifier with the functions of sterilization, disinfection, preservation, energy conservation, environment protection and the like. The water purifier adopts a dual-membrane, dual-water and dual-drainage design of an ultrafiltration membrane and a reverse osmosis membrane, an ozone and ultraviolet sterilization, disinfection and preservation design, a filter element exchange reminding function design, a water-saving design, a multifunctional filter element design, an ultrafiltration water, purified water, ozone water, clear water and functional water drainage design, a transparent housing design, and a leakage protection design. The multifunctional water purifier is designed into dual-membrane and dual-row drainage by adopting the dual-membrane, dual-water and dual-drainage design of the ultrafiltration membrane and the reverse osmosis membrane; the drainage capacity can be up to 100%; a plurality of one-way valves are designed in the device; the valves play a plurality of water control requirements; each control switch is properly turned on and off, so as to achieve purified water outlet drainage or ozone water outlet drainage or clear water outlet drainage or functional water outlet drainage or reverse osmosis membrane drain outlet drainage or ultrafiltration membrane drain outlet drainage or leakage protection start.

The invention discloses an automatic backwashing filter and a working method, which are suitable for filtering impurities in sewage. The filter comprises a runner switching main valve, a valve plate and a barrel, the valve plate is arranged on an upper opening of the barrel, and the main valve is arranged on the valve plate and communicated with the interior of the barrel through a runner; two flow channels are arranged on the valve plate, one flow channel is a filtering flow channel communicated with the inner space of the filter screen, and the other flow channel is a backwashing flow channel communicated with the space between the filter screen and the cylinder body; the flow channel switching main valve comprises a valve body, a sewage draining exit, a water inlet and a water outlet are sequentially formed in the valve body from left to right, and a filtering outlet connected with the filtering flow channel and a backwashing outlet connected with the backwashing flow channel are sequentially formed in the lower portion of the valve body from left to right; wherein a two-position five-way reversing valve group capable of automatically switching a normal working mode or a backwashing mode according to the blockage condition of the filter screen is arranged among the drain outlet, the water inlet, the water outlet, the filter outlet and the backwashing outlet. The filter is simple in structure, does not consume energy, and automatically switches backwashing.

The invention relates to a vacuum system which comprises a plurality of drainage sources, a plurality of vacuum conveying pumps, a sewage collecting part and a control center. Each sewage source comprises a drainage pool with a sewage outfall, a vacuum release valve, a vapor integrated double electromagnetic valve and a control device; and the sewage outfall of the drainage pool is connected with a discharge pipe of the sewage source by the vacuum release valve. The discharge pipe of the sewage source is connected with a sewage suction pipe by an isolation ball valve; the sewage suction pipe is connected with an inlet pipe of each vacuum conveying pump; and an outlet pipe of each vacuum conveying pump is connected with a sewage discharge pipe which is connected to the sewage collecting part. A pressure detection device in electric connection with the control center is arranged on the sewage suction pipe; and the vacuum conveying pump and the control center are in electric connection. In the vacuum system, the control center carries out intelligent control that one or a plurality of the vacuum conveying pumps are opened according to the detected vacuum degree of the sewage suction pipe; the vacuum system can ensure the vacuum degree of the sewage suction pipe to make sewage discharging smooth, effectively saves energy, has simple control, reduces cost, improves the reliability of the system and is convenient to maintain.

The invention relates to a culture method of penaeid shrimps in an over-winter shed, which comprises the following steps: building up a culture pond of the over-winter shed; discharging sea water into the culture pond after treatment, culturing water color of culture water, and then pouring shrimp fries into the culture water for culture; applying a beneficial microorganism preparation during the culture period for degrading pollutants produced during the culture process and conditioning water quality; regulating water temperature of the culture pond by opening small doors at two sides of the shed and opening a plastic thin film; and discharging sewage at the bottom of the culture pond through a central sewage discharge outlet daily and simultaneously supplementing fresh water in the late stage of culture. The culture method of the penaeid shrimps in the over-winter shed can effectively utilize the idle period of the culture pond of the penaeid shrimps in winter, realize the outdoor culture of the penaeid shrimps in winter in the South, ensure the supply of fresh and live penaeid shrimps to the market in low season of the culture and improve the production benefits and the market benefits of the culture; and the culture pond of the over-winter shed for the penaeid shrimps is simple to build up, building materials can be selected according to local material sources, and the plastic thin film and a large-mesh net coat covered on the over-winter shed can ensure that the over-winter shed can realize wind resistance and no leakage of rain.

The invention discloses a ceramic pedestal pan with a rearmounted flushing pipeline and a manufacturing process thereof. The ceramic pedestal pan comprises a seat body, a bed pan, a draining curve and a flushing pipeline, and is characterized in that: the outlet of the draining curve and a draining opening of the bed pan are connected in the front, the flushing pipeline is arranged at the back of the bed pan, and a flushing protecting hole of the flushing pipeline and the draining opening of the bed pan are connected at the back, wherein the cross section area of the opening of the flushing pipeline is 16-24cm<2>, and the cross section area of the flushing protecting hole is 2-5cm<2>. The product only needs 3-4L of water for flushing and draining at every time, keeps excellent drainage performance and also realizes the water saving effect; in addition, the product has reasonable structure and does not generate rearmounted center of gravity; and the production process of the product has simple operation, and the yield of the product is high.

The invention relates to a city watercourse drain outlet sewage treatment method. The method mainly comprise the steps of regulation, wherein sewage is introduced into a regulating reservoir for regulation; mixing with flocculant, wherein sewage in the regulating reservoir is led out to be mixed with flocculant; flocculent settling, wherein sewage mixed with flocculant is sequentially introduced into a baffle flocculation reaction tank and a settling tank for sewage flocculation and sludge precipitation separation; denitrification, wherein water discharged from the settling tank and part of water discharged from a nitration aerating filter are introduced into a denitrification filter for denitrification; aerobiotic nitration, wherein water discharged from the denitrification filter is introduced into a nitration aerating filter for nitration; filtration, wherein part of water discharged from the nitration aerating filter is introduced into a filtering device for filtration. The invention further provides a sewage treatment device adopting the method. The sewage treatment device comprises a regulating reservoir, a pipeline mixer, a baffle flocculation reaction tank, an oblique plate settling tank, a denitrification filter, a nitration aerating filter and a clear water pond which are connected in series, wherein a water outlet pipeline of the clear water pond is connected to a filter device.

The invention provides a YOLO V5-based unmanned aerial vehicle aerial image river sewage draining exit detection method and system. The method comprises the steps of establishing an unmanned aerial vehicle aerial image river sewage draining exit image data set; preprocessing the established data set, and establishing a training set and a test set; and building a YOLO V5 model, testing the performance of the trained YOLO V5 model by using the test set, and then using the model for unmanned aerial vehicle aerial sewage draining exit image identification. The problem that in a traditional targetdetection method, the detection precision of small targets such as a sewage draining exit of an aerial image of an unmanned aerial vehicle is low is solved. The invention assists in manually detectingthe river sewage draining exit of the aerial image, and improves the detection precision of the sewage draining exit.

The invention discloses a primary purified water treatment tank which mainly comprises a purification tank, a fixed filtering plate, a movable filtering plate, a power device and a connecting rod, wherein a water inlet is formed in one end of the upper part of the purification tank; a purified water outlet is formed in the other end of the upper part of the purification tank; a first drain outlet is formed in one end of the lower part of the purification tank; a second drain outlet is formed in the other end of the lower part of the purification tank; the fixed filtering plate and the movable filtering plate are arranged in parallel to isolate the water inlet from the water outlet; the movable filtering plate is connected with the power device through the connecting rod so as to move to approach to the upper water inlet and the lower first drain outlet, and can be automatically washed through high-level falling water at regular time. According to the primary purified water treatment tank, small holes for filtering sewage are formed when filtering holes in two filtering plates inside the tank body are overlapped and covered by each other, after the two plates are separated, large holes are easy to clean, the movable filtering plate can be moved to a space between the upper water inlet and the lower first drain outlet at regular time, and the filtering holes can be automatically washed through high-level falling water, so that the washing can be continuously performed at regular time, and the advantages of no blocking and load resistance are achieved.

A high-efficiency garbage processor comprises a working table, a garbage crusher, a solid-liquid separation device and an electric control box, wherein the surface of the working table is provided with a material collecting basin; the bottom part of the material collecting basin is provided with a discharging port; the discharging port is connected with the garbage crusher; the garbage crusher is connected with the solid-liquid separation device via a garbage pipe; the solid-liquid separation device comprises a collecting box, a motor, a speed reduction box, a heater, an auger assembly, a water pump, a water exhaust pipe and a drain outlet; the auger assembly is fixed in the collecting box in an inclined axis direction; the auger assembly comprises a spiral auger, a filter cartridge and a connection net cover; the filter cartridge is a column-shaped hollow container; the connection net cover is located right above a feeding port; and the connection net cover realizes external feeding via a pipeline. In the mode, the invention provides a high-efficiency garbage processor, and solid and liquid separation is mainly carried out on participated food garbage through the solid-liquid separation device. The working efficiency of the entire machine is high, and the garbage separation quality can be ensured.

The invention discloses an online chemical oxidation dynamic membrane system available for processing the hardly-biodegradable wastewater. The online chemical oxidation dynamic membrane system is characterized by comprising a hydrogen peroxide header tank (1), a ferrous ore powder mixing tank (2), a pH adjusting header tank (3), a circulating tank (4), a circulating pump (5), a membrane and membrane module (6), a recycling tank (7), and a detection control device (8) of flow (L)/temperature (T)/pressure (P)/pH parameter. The outlets of the hydrogen peroxide header tank, the ferrous ore powder mixing tank and the pH adjusting header tank are connected with the circulating tank; the outlet of the circulating tank is connected with the circulating pump; the outlet of the circulating pump is connected with the circulating side of the membrane and membrane module; the detection control device (8) of the flow (L)/temperature (T)/pressure (P)/pH parameter is installed on the outlet pipe of the circulating pump, the outlet of the circulating side of the membrane and membrane module is connected with the circulating tank; a drain outlet is arranged at bottom part of the circulating side of the membrane and membrane module, the drain outlet is connected with the recycling tank; and the production water on the production water side of the membrane and membrane module is sent out of the system. By adopting the system, the product water quality of the base membrane can be greatly increased, the treatment process can be simplified, the removal rate of the chroma, TSS, CODCr, BOD5 and the benzene series can be increased, the contaminant residual amount on the circulating side can be obviously reduced and the wastewater treatment cost can be reduced.

The invention provides a front water filter and belongs to the field of water treatment equipment. The front water filter comprises a shell, a filter component, a water inlet and outlet valve component and a blow-down component, wherein the shell is additionally internally provided with a cleaning component; a funnel-shaped blow-down cavity is formed in the lower part of the shell; the blow-down component comprises a blow-down hole in the bottom of the blow-down cavity; and a siphon blow-down pipe is arranged at the blow-down hole. On one hand, the front water filter is equipped with a cleaning mechanism to scrape and clean the outer surface of a filtering net, and thus impurities adhered to the filtering net can be removed; and on the other hand, a spiral runway is formed in the inner wall of the shell of the filter, and the siphon blow-down pipe is arranged at the blow-down hole, water flow vortexes are formed inside the shell, and impurities adhered to the filtering net and the inner wall of the shell can be sufficiently removed through the sucking force resulted by a siphon function. The decontamination ability of the filter can be greatly improved, and the service life of thefilter can be prolonged.

The present invention discloses a gas dust-removing device, including a shell; a gas inlet is disposed at the upper end of one side of the shell; a gas outlet is disposed at the upper end of the other side of the shell; the gas dust-removing device is characterized in that a dust-removing chamber is disposed inside the shell; the upper end of the dust-removing chamber is provided with a spraying device; the spraying device is communicated with a water pipe; the water pipe is provided with a control valve; a filtering device is disposed in the dust-removing chamber; a water collecting chamber is disposed at the lower end of the dust-removing chamber; a sewage treatment plant is disposed in the water collecting chamber; a sewage outfall is disposed at the bottom of the water collecting chamber; a water outfall is disposed at one side of the water collecting chamber; the water outfall is communicated with the water pipe through a water pump; a water level controller is arranged in the water collecting chamber; and the gas inlet is communicated with the dust-removing chamber. The invention has the advantages that the combination of the spraying device and the filtering device can effectively remove impurities in gas; the impurities in gas are filtered into the water collecting chamber through the filtering device, and then the impurities in sewage are treated by the sewage treatment plant in the water collecting chamber.

The invention discloses a sewage pretreatment method and device. A settling assembly is arranged in a support frame; a water inlet pipe penetrates through the side top end of a settling tank; the bottom end of a dirt discharge port is connected with a dirt discharge pipe; a supporting column is slidably mounted in a rubber pipe; support springs are uniformly distributed on the bottom surface of the settling tank; a dosing assembly is mounted at the top of the settling tank; a water inlet assembly is connected to the top of the water inlet pipe; one side of the dirt discharge pipe is connectedwith a slag removal assembly; an arc-shaped filter screen is mounted in a semi-cylindrical barrel; and one end of a porous rotating pipe is connected with a return pipe. Ferromagnetic substances are removed through the water inlet assembly, so obstruction is avoided; and sewage settles after entering the settling tank, the settling assembly is matched with the dosing assembly to remove sediments,the settling assembly is extremely convenient to clean, and floating objects on the top surface of the arc-shaped filter screen are removed through the slag removal assembly, so that the primary treatment process of the sewage is completed, the cleaning is simple and convenient, the operation is easy, and the subsequent water treatment is convenient.

The invention belongs to the technical field of water environment protection, and discloses a medium and small watershed pollution source analysis method based on multi-drain-outlet checking and monitoring. The method provided by the invention comprises the following steps: (1) checking an in-river sewage drain outlet: determining the distribution, type and the like of the in-river sewage drain outlet, summarizing a check table, and encoding the in-river sewage drain outlet; drawing a sewage drain outlet position electronic map; (2) synchronously monitoring the water quantity and the water quality of the estuary; (3) analyzing a basin pollution source: calculating the average value of water quantity and water quality in each water period; and counting the discharge amount of various pollution sources, and analyzing the pollution contribution of various pollution outlets to the drainage basin. Compared with a factor analysis method and a principal component analysis method, the method has the advantages that the defects that a source analysis model has certain application conditions, more parameters and higher analysis result uncertainty are avoided, and the pollution contribution of each type of emission source and even each emission source can be obtained. The analysis result is objective and is close to the actual emission condition, so that the target is provided for accurate source control, and the drainage basin pollution treatment efficiency is improved.

The invention relates to a water filter and an operating principle thereof. The water filter comprises a tank cylinder, a bottom cover and a filter screen cylinder, wherein a water inlet, a water outlet, a back-washing inlet and a sewage draining opening are formed in the side surface of the tank cylinder; an upper flow guide cover is arranged at the upper part in the tank cylinder, and a lower flow guide cover is arranged at the lower part in the tank cylinder; a water inlet flow guide cavity is formed between the upper flow guide cover and the tank cylinder; the water inlet corresponds to the side surface of the upper flow guide cover in the water inlet flow guide cavity; a sewage draining flow guide cavity is formed between the lower flow guide cover and the bottom of the tank cylinder; the sewage draining opening corresponds to the side surface of the lower flow guide cover in the sewage draining flow guide cavity; the filter screen cylinder is limited between the upper flow guide cover and the lower flow guide cover; the area in the filter screen cylinder is communicated with the water inlet flow guide cavity and the sewage draining flow guide cavity. The operating principle is that through controlling the inlets in the side surface of the tank cylinder, when water flows to the area outside the cylinder from the area inside the filter screen cylinder, the filtering is realized, and the back-washing is realized when water flows to the area inside the cylinder from the area outside the filter screen cylinder. The water filter is relatively simple in structure, easy to mount and use, relatively convenient for filter and backwashing, and better in effect, thereby being suitable for being used as a water filtering device.

The invention discloses a garbage drying and pyrolyzing method. The method comprises the following steps that pyrolytic garbage is poured into a feeding hopper, the garbage enters an extrusion cylinder, a driving motor is started to drive an extrusion rotating shaft to rotate, the garbage moves rightwards under the action of a spiral blade, the garbage is extruded through the inner wall of the extrusion cylinder to discharge water, sewage drips into a sewage tank and is discharged from a sewage outlet, and the garbage enters a crushing box from a first discharging opening; a crushing motor isstarted to drive a first crushing shaft and a second crushing shaft to rotate, crushing blades on the crushing shafts crush the garbage, and the crushed garbage enters a drying box; and a first heating plate, a second heating plate and a fan are started to dry the garbage in the drying box, generated gas enters a dust removal water tank from an exhaust pipe, an electric valve at the bottom of thedrying box is opened, and the dried garbage is discharged into a pyrolyzing furnace. According to the method, the moisture content in the garbage is greatly reduced, the pyrolysis speed of the garbagein the pyrolyzing furnace is increased, residues are reduced, and generated gas does not contain a large amount of incineration particles.