10302results about "Fatty/oily/floating substances removal devices" patented technology

A storm water trough filter system is mountable in a storm vault having interior walls and a storm water inlet formed in at least one of the interior walls which allows storm water to flow therethrough and into the storm vault. The storm water trough filter system has at least one trough section which defines a water trough for receiving storm water flowing into the storm vault through the storm water inlet thereof. The storm water trough filter system further includes at least one mounting bracket which is affixable to at least one of the interior walls of the storm vault, the at least one trough section being mountable on the at least one mounting bracket. The storm water trough filter system further includes a filtering apparatus having a water permeable filtering medium. The water trough defined by the at least one trough section is in fluid communication with the water permeable filtering medium of the filtering apparatus to direct storm water received by the water trough to the filtering medium of the filtering apparatus.

The invention relates to a thickener based on an intelligent control mixed feeding apparatus. The thickener comprises a thickening tank and a feeding assembly for adding a flocculant into the thickening tank. A rotating shaft is arranged in the thickening tank. The surface of the rotating shaft is provided with grease scrapers attached to the liquid surface of a slurry, and the grease scrapers can rotate along with the rotating shaft to scrape off grease on the liquid surface. In the present invention, stirring paddles are driven to rotate by means of the rotating shaft, so as to stir the slurry, so as to generate bubbles in the slurry, allowing grease particles to be attached to the bubbles and rise to the liquid surface. A sliding piece is driven to rotate by means of the rotating shaft, so that the scrapers are driven to rotate, and together with an inclined surface, the grease rising to the liquid surface is scraped off, so that the grease can enter a cavity along the inclined surface and a grease inlet to be collected, so that the function of removing grease is achieved, and the thickening effect is improved.

The invention belongs to the field of oil and gas field high-salinity wastewater treatment, and particularly relates to a shale gas high-salinity wastewater electrochemical catalysis coupling membrane separation low-carbon treatment method which comprises the treatment steps of pretreatment, electrocatalytic oxidation, membrane separation, salt recycling and product recovery, intelligent management and control, energy coupling and the like. The dissolved air flotation unit generates micro-nano bubbles through a venturi-rotational flow coupling device and cooperates with PAC / PAM to realize efficient flotation; softening agents are added into the multi-stage sedimentation tank by stages, closed-loop control is carried out, and soluble barium, boron, fluoride and hardness are removed; the electrochemical oxidation unit strengthens mass transfer through ultrasonic waves and degrades organic matters difficult to treat; the membrane treatment realizes up-to-standard discharge of wastewater through a hollow fiber membrane bioreactor-roll type ultrafiltration membrane-anti-pollution type reverse osmosis membrane integrated system; the magnetic control evaporation crystallizer utilizes the magnetic field gradient and the temperature gradient to cooperatively regulate and control the crystallization process, the membrane separation strong brine is subjected to quality separation treatment, and high-purity salt products are produced. The method provided by the invention can effectively realize up-to-standard discharge treatment of shale gas fracturing flowback wastewater and resource utilization of evaporative crystallization salt, is also suitable for treating shale gas recovery wastewater with similar water quality characteristics, and has good popularization and application prospects.

The invention discloses a slope drainage and regreening ecological protection device, and belongs to the technical field of slope protection. The device is composed of an intercepting ditch, a drainage ditch, a concrete supporting structure and an irrigation structure. The intercepting ditch is located at the top of the slope, located at the bottom and responsible for intercepting and dredging water flow. The concrete supporting structure comprises a concrete frame and reinforcing piles, the frame forms a rectangular planting area on the slope surface, the reinforcing piles penetrate into the slope, and a stable foundation is provided for regreening. A spray-seeding material layer is arranged in the planting area, and the surface layer is covered with a grid. The irrigation structure comprises a water storage cavity, two water pumping structures and an irrigation cavity and can collect rainwater and irrigate according to needs. The device has obvious advantages, the drainage system reduces water and soil loss and geological disaster risks, and the vegetation coverage rate is increased through the regreening design. Meanwhile, water resource recycling is achieved through the water storage irrigation function, manpower and water resources are saved, the high efficiency and sustainability of slope ecological protection are guaranteed, and important application value is achieved in the field of slope protection.

The water conservancy construction drainage device comprises a slag collecting cylinder, an outer cylinder, an inner cylinder and a connecting cylinder, the inner cylinder is fixed to the top of the inner wall of the outer cylinder and coaxially arranged, the connecting cylinder is a circular truncated cone cavity and fixed to the bottom of the outer cylinder, the connecting cylinder is fixed to the top of the slag collecting cylinder, and spiral flow guide fins are arranged on the inner wall of the outer cylinder; a fixing ring is fixedly connected to the position, close to the top, of the surface of the outer cylinder, a water inlet is fixedly connected to the top of the fixing ring and is of a gradually-shrunk flow guide structure, one end of the water inlet extends into the outer cylinder in the tangential direction, and the bottom of the isolation cylinder communicates with a filter cylinder which is obliquely installed at the bottom of the isolation cylinder. One side in the filter cartridge is communicated with a sand collecting box, and a plurality of layers of self-adaptive filter screens are arranged in the filter cartridge. The drainage device for water conservancy construction relates to the technical field of water conservancy drainage, and can reduce blockage of the filter screen, improve the filtering effect, prevent fine silt from entering the pump body and ensure smooth drainage at the same time.

The invention provides a treatment method of ammonia-nitrogen-containing wastewater, and belongs to the technical field of wastewater treatment. The preparation process comprises the following steps: preparing the wastewater treatment agent; preparing an immobilized microbial compound; and treating the ammonia-nitrogen-containing wastewater. According to the immobilized microbial carrier prepared by the invention, a stable dual-network structure and proper pore channels are formed through the synergistic effect of the polyvinyl alcohol, the carboxymethyl chitosan and the polyurethane; secondary cross-linking significantly enhances the stability of the carrier, optimizes internal pore channels, and is beneficial to attachment and proliferation of microorganisms; after the corn straw biochar is modified by Ca / Al, the specific surface area and functional groups are increased, and the physicochemical adsorption of ammonia nitrogen is enhanced. The three are combined, and ammonia nitrogen in wastewater is efficiently removed through synergism of carrier adsorption and microbial metabolism.

The invention discloses a preparation method and application of a pH-responsive controllable oil-water separation material, polyurethane sponge is used as a substrate, polypyrrole is attached to the sponge substrate through an in-situ polymerization method, a pH-responsive polymer is introduced into the sponge substrate through a soaking method, and finally the pH-responsive controllable oil-water separation material is obtained. The controllability of the material in the oil-water separation process is reflected as follows: due to the introduction of the pH responsive polymer, the surface of the material has pH responsiveness, the surface of the material has different wettability by adjusting the pH value, different types of oil-water mixtures can be controllably separated in a targeted manner, and the adsorption and desorption of oil products can be realized. Due to the introduction of polypyrrole, the material has good photo-thermal conversion capacity, the viscosity of crude oil can be effectively reduced, and the absorption rate of the crude oil can be improved. The material with pH responsiveness has wide application prospects in the fields of oil-water separation, oil product adsorption and desorption and crude oil absorption.

The invention discloses a biological nitrogen and phosphorus removal MBR sewage treatment system and a treatment process thereof. The process comprises the following steps: 1) pretreatment; 2) treatment in an anaerobic tank; (3) treating in an anoxic tank; 4) treatment in an aerobic tank; 5) MBR membrane pool treatment; sewage enters the box body through the water inlet, the moving mechanism drives the aeration mechanism and the scum cleaning mechanism to move, the aeration mechanism performs aeration treatment on the sewage in the box body, and when the aeration mechanism blows gas into the sewage through the branch gas pipe, bubbles can be scattered by spiral blades, so that the contact area between the gas and liquid is further increased, and the aeration effect is enhanced; when the sewage is subjected to aeration treatment, the scum after aeration treatment rises, the scum cleaning mechanism scrapes the scum floating after aeration for multiple times, collects the scraped scum and sends the scum out of the box body, impurities suspended in the middle layer of the sewage are fished, and the sewage after scum cleaning enters the next treatment procedure through the water outlet.

The invention discloses a spunlace non-woven fabric energy-saving zero-discharge water treatment and cyclic utilization system and a method thereof, and particularly relates to the technical field of water treatment and cyclic utilization. The pretreatment mechanism comprises a filter box, a first filter plate, a second filter plate, a first return pipe, a second return pipe, a pressure valve and a backwashing nozzle, the inner wall of the top of the filter box is connected with the first filter plate, the bottom of the first filter plate is provided with the second filter plate, and the outer wall of one end of the bottom of the filter box is communicated with the first return pipe; a second backflow pipe is arranged on the side, away from the first backflow pipe, of the filter box. According to the device, the back washing effect is achieved through internal inflow water backflow when the second backflow pipe and the first backflow pipe are blocked, cleaning work is carried out under the limiting condition, the filtering process is prevented from being affected by blocking, cleaning work can be carried out under the non-stop condition, and cleaning work of the two sets of filter plates can be completed without a power mechanism.

A slurry separation and purification device for bridge pile foundation excavation, comprising a temporary storage tank (1) and a settling tank; a residue guide channel (11) is fixedly connected to one side of the temporary storage tank (1), and the other side is rotatably connected to a circular pipe (12); the temporary storage tank (1) is fixedly connected to a support (13), the support (13) being fixedly connected to an inner pipe (14); the circular pipe (12) is rotatably sleeved on the outside of the inner pipe (14) and is rotatably connected thereto, the other end of the inner pipe (14) is connected to a water pump, and the other end of the circular pipe (12) is fixedly connected to an extraction and filtering device (2); the extraction and filtering device (2) comprises a branch pipe (21), the branch pipe (21) being communicated with the circular pipe (12); a filtration cone (22) is provided at the end of the branch pipe (21) away from the circular pipe (12), and the bottom of the filtration cone (22) is provided with a suction pipe (23); a blocking plate (24) is hinged to the upper end of the suction pipe (23), a torsional spring being provided on a hinge shaft of the blocking plate (24), and a discharge port (25) being provided at the upper end of the filtration cone (22); the support (13) is fixedly connected to a driving device (3), and the driving device (3) drives the circular pipe (12) to rotate forwards and backwards alternately.

The utility model discloses a dissolved air flotation scum scraping device, which belongs to the field of wastewater treatment equipment and comprises an air flotation tank and scum scraping equipment. The air floatation tank is provided with a collecting tank along the radial direction, and one side of the collecting tank is provided with a slope. The scum scraping equipment comprises a scraping arm and a scraping plate, the scraping arm is arranged in the radial direction of the air floatation tank and can circumferentially rotate towards the slope direction around the air floatation tank, the top of the scraping plate is hinged to the scraping arm, and a concave area is formed in the side, pushing scum, of the scraping plate. The scraping plate can rotate relative to the slope through the hinged structure of the scraping plate and the scraping arm, and large interference and resistance cannot be generated between the scraping plate and the slope. And after the scraper rotates, the scum in the concave area can be automatically poured into the collecting tank to be discharged. And the concave area of the scraper can enhance the collection and storage effects of the scum when the scraper revolves. After a large amount of scum is stored in the inner concave area, when the scraping plate is in contact with the slope, the reverse thrust of the scum on the scraping plate is reduced, the scum amount pushed in a single time is increased, and then the scum discharging efficiency is improved.

The utility model discloses a multifunctional industrial wastewater treatment device, and the utility model relates to the technical field of multifunctional industrial wastewater treatment devices. A second water inlet pipe is provided inside the centrifugal cylinder, a water outlet groove is provided at the bottom of the second water inlet pipe, a guide plate is fixedly connected to the inner wall of the centrifugal cylinder, a slag discharge groove is provided at the bottom of the centrifugal cylinder, and a plurality of oil outlet holes are provided above the centrifugal cylinder. The centrifugal force after the centrifugal cylinder rotates to full speed separates the wastewater with heavy weight from the residue and grease. Due to its own light weight, the grease is thrown into the inner cavity of the treatment cylinder through the oil outlet hole, and the heavy residue is deposited downward. When the set slag discharge cycle is reached, the slag discharge starts, and the scraper scrapes the grease adhered to the inner wall of the treatment cylinder and discharges it through the second slag discharge pipe. The sealing ring opens the slag discharge groove upward, so that the residue inside the centrifugal cylinder is discharged to the outside of the device through the slag discharge pipe, so as to avoid the grease adhering to the inner wall of the treatment cylinder and affecting the treatment efficiency of the wastewater.

An elongated floor cleanout assembly includes a drain assembly. The drain assembly has a body assembly and a grating cover secured to the body assembly by at least one screw. The drain assembly also has a cap enclosing the drain assembly and secured to the grating cover by the at least one screw. The cap defines at least one slit having an arcuate portion and an end. The at least one screw is captured in the arcuate portion and the cap can be rotated to selectively allow the at least one screw to freely pass through the end for removal of the cap without removing the at least one screw.

A system for removing contaminants from a body of water, may include a vessel, having contaminant cleanup and recovery equipment that may have at least one intake port capable of removing floating contaminants from the body of water to be transported to the recovery vessel. The system may further include a first towboat and a second towboat. The system may also include a first containment boom capable of being connected to the first tow boat and to a starboard side of a vessel. The system may also include a second containment boom capable of being connected to the second tow boat and a port side of the vessel, such that during operation the first and second towboats extend out from the vessel such that the first and second containment booms gather the floating contaminants from the body of water and channel them to the at least one intake port.

The invention discloses a corrugated carton production wastewater treatment device, and particularly relates to the technical field of corrugated carton production, the corrugated carton production wastewater treatment device comprises a shell, supporting legs are fixedly connected to four corners of the lower end of the shell, a feeding pipe is fixedly connected to the right part of the upper end of the shell, and a filtering and adding assembly is arranged on the inner surface of the shell; and an oil removing assembly is arranged on the inner surface of the shell and located below the filtering and adding assembly. According to the corrugated carton production wastewater treatment device disclosed by the invention, by arranging the filtering and adding assembly and the oil removal assembly, wastewater can be uniformly and quantitatively shunted, the wastewater can be uniformly and sufficiently filtered, a filter screen is prevented from being blocked in the filtering process, large suspended solids in the wastewater are filtered, and the wastewater is prevented from being blocked. A coagulant and a coagulant aid can be quantitatively mixed and added into the wastewater in a partitioned manner in a rotating manner, so that the wastewater can be in full contact with the coagulant and the coagulant aid, the coagulation effect is better played, the wastewater treatment effect and efficiency are improved, and physicochemical pretreatment on the wastewater is realized.

The invention provides a method for carrying out ecological management on the Tenggri desert through photovoltaic and pasture. The method comprises the steps that S1, a photovoltaic panel intensive water irrigation system is built; s2, land leveling and improvement, wherein land under the photovoltaic panel intensive water irrigation system is leveled, fertilized and improved; s3, planting: sowing Tenggri desert indigenous plant ecological bags under a photovoltaic panel intensive water irrigation system; the Tenggri desert indigenous plant ecological bag comprises the following plants: caragana microphylla, salix psammophila, sophora alopecuroide, artemisia selengensis, elymus dahuricus, agriophyllum squarrosum, astragalus adsurgens, kochia scoparia and mongolian wheatgrass; a photovoltaic panel intensive water irrigation system and special forage grass are combined to comprehensively control desertification, power generation and ecological management complement each other, multiple ecological benefits of land improvement, sand stabilization and land reclamation, wind and sand suppression and vegetation restoration are achieved while power generation is performed, high-quality forage grass can be provided, animal husbandry development is promoted, and economic and ecological benefits are improved. In addition, compared with a traditional irrigation mode, water can be saved by 30-70% through drip irrigation.

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 a filtering anti-blocking structure of a drainage pipe for road maintenance, and relates to the technical field of sewage discharge. The filtering anti-blocking structure of the drainage pipe for road maintenance comprises a first pipeline, and the top of the first pipeline is fixedly connected with a first filtering mechanism. According to the filtering anti-blocking structure of the drainage pipe for road maintenance, sewage is preliminarily filtered by arranging the conical filtering cylinder, and the sewage is secondarily filtered by arranging the first filtering disc and the second filtering disc in a matched manner, so that the situation that a single filtering net is easily and instantly blocked by large-particle impurities is avoided, the pressure of post-stage filtering is reduced, and the filtering efficiency is improved. A limiting rotating ring block is arranged, a first driving motor is started, the limiting rotating ring block is finally driven to rotate through gear meshing, at the moment, a rotating ball continuously slides on the surface of the limiting rotating ring block, and a first spring is matched, so that a second fixing block periodically reciprocates; finally, the banister brush is promoted to clean the through holes of the conical filter cartridge, and the through holes are prevented from being blocked.

The utility model belongs to the technical field of sewage treatment, and particularly relates to a coalescence air floatation oil removal device for oil and gas field wastewater treatment, which is characterized in that a cyclone sand remover, an oil particle coalescence layer, a micro air floatation device, an oil discharge device and a water discharge pipe are sequentially arranged in a shell from bottom to top, and an exhaust device is arranged at the upper part of one side of the shell; a sewage inlet pipe is arranged on the lower portion of one side of the shell and connected to the feeding end of the cyclone desander. Oily sewage passes through the cyclone sand remover to remove large-particle-size silt, then passes through the oil particle coalescence layer, tiny oil particles gradually form an oil film on the surface of a coalescence material, after the oil film reaches a certain thickness, the oil film is deformed into large oil droplets which are sufficient to be separated and rise from a water phase, and then oil drops and suspended flocs in the oily sewage are removed through the micro air flotation device. Finally, floating oil enters the oil discharging device to be discharged, the oil-removed sewage is discharged through the water discharging pipe, oil-water separation is completed, the oil removal purpose is achieved, the oil removal effect is better, the sewage treatment effect is improved, and the water quality of produced water is improved.

The utility model discloses a foreign matter blocking device for a water intake pump opening of a water conservancy irrigation facility, and relates to the technical field of water conservancy irrigation equipment, the foreign matter blocking device comprises a support assembly composed of a top ring plate, a plurality of outer protection rods and a bottom plate, the outer protection rods are annularly distributed, and the top ring plate and the bottom plate are symmetrically fixed at the upper ends and the lower ends of the outer protection rods; a filtering and blocking assembly is arranged between the top ring plate and the outer protection rod. Large foreign matters and small impurities in water can be intercepted by arranging the support assembly and the filtering and blocking assembly, and meanwhile, water flow flowing out of the top end of the spiral guide pipe through the through hole and the spiral guide pipe can impact the blades, so that the blades deflect and drive the rotating shaft and the filtering cylinder to rotate; when the filter cartridge rotates, relative friction is generated between the filter cartridge and the brush, and the brush can clean the surface of the filter cartridge, so that impurities adhered to the filter cartridge fall off, and the condition that the surface of the filter cartridge is blocked due to excessive impurities adhered to the surface of the filter cartridge is avoided.

The invention discloses a micro-nano air flotation coupling critical micro-flocculation phosphorus removal control method, which relates to the technical field of water treatment, and comprises the following steps: when the total phosphorus concentration is lower than a preset concentration threshold value, determining the proportion of non-target particles based on the water turbidity and particle spectrum distribution; adding a flocculating agent according to a preset critical dosage to generate target phosphorus floc, and synchronously forming a primary flocculation phase which can be distinguished from non-target particles; applying an interfacial activity regulation factor to the micro-nano bubbles based on the primary flocculation phase, and performing selective regulation; forming a bubble-phosphorus floc complex based on a selective regulation effect; the bubble-phosphorus floc complex is separated and removed in an air flotation mode, the competition intensity history of non-target particles is recorded, and a competition memory curve is formed. According to the method, interfacial activity regulation factors are applied to the surfaces of the micro-nano bubbles, so that the micro-nano bubbles can preferentially and selectively adsorb target phosphorus floc, and efficient removal of low-concentration total phosphorus is realized.

The invention relates to the technical field of organic fertilizer preparation and waste recycling, in particular to a food industrial park wastewater recycling and sludge resourceful treatment method which comprises the following steps: step 1, dynamically partitioning wastewater and cooperatively separating grease, monitoring the conductivity and turbidity of wastewater at water outlets of all workshops in real time, and dynamically dividing wastewater load grades according to monitored values; step 2, coupling biological treatment and carbon source circulation, inputting the effluent in the step 1 into an anaerobic reactor according to a real-time COD load ratio, adding a sludge glycolysis solution as a carbon source supplement, and dynamically adjusting the adding amount based on the ratio of volatile fatty acid to alkalinity; step 3, catalytic oxidation-membrane coupling advanced treatment: carrying out catalytic ozonation on aerobic effluent through sludge-based activated carbon, and adjusting the filling amount of a catalyst in a stepped manner along with characteristic parameters of organic matters in the effluent; 4, directional glycolysis of the sludge and closed-loop utilization of products. Through monitoring and dynamic adjustment, the problems of high energy consumption, low treatment efficiency, resource waste and the like in a traditional wastewater treatment method are effectively solved.

The utility model discloses a three-link ecological protection structure for a slope, including a slope, two sides of the slope are provided with fixed beams 1, an irrigation structure is provided on the top of the slope, a plurality of pairs of fixed beams 2 are provided on the slope at equal intervals, a plurality of arc-shaped guide plates are fixedly connected between the fixed beams 1 and 2, a plurality of planting frames are provided between the arc-shaped guide plates, a drainage structure is provided on the opposite side of the fixed beams 1, a filtering structure is provided on the fixed beams 1 and 2, a drainage channel is provided at the bottom of the slope, a crushed stone layer is provided at the bottom of the slope, and a metal grid is fixedly installed on the surface of the crushed stone layer. The advantages of the utility model compared with the existing technology are: the utility model can not only guide rainwater to quickly drain water to avoid rainwater flowing straight down along the slope to form runoff to wash away vegetation and soil, but also collect rainwater and carry out reasonable irrigation to ensure the growth of slope vegetation.

The invention belongs to the technical field of sewage treatment, and particularly relates to a coking phenol-cyanogen sewage treatment system, which comprises a pretreatment stage, a biochemical treatment stage and an advanced treatment stage, a mixing cavity, a flotation cavity, a separation cavity, a scum cavity and a clear water cavity are sequentially formed in the air flotation tank; the scraping plate is movably connected to the upper part of the separation cavity and is used for scraping dross; the recovery valve pipe is arranged below the clear water cavity, and a concentration sensor is arranged in the recovery valve pipe and used for detecting the impurity concentration in the clear water; according to the coking phenol-cyanogen sewage treatment system, the scraping depth of the scraping plate is correspondingly adjusted according to the concentration value of the impurities at the clear water, and the larger the amount of scum in the separation cavity is, the larger the downward moving speed of the corresponding scraping plate is, so that the scum in the separation cavity can be thoroughly and effectively scraped and recycled by the scraping plate.

The invention discloses a marine sewage treater and a sewage treatment system, and relates to the technical field of sewage treatment.The marine sewage treater comprises a tank body, the tank body is provided with a sewage inlet, a purified water outlet and an oil stain outlet, a center cylinder and a spiral flow guide pipe are arranged in the tank body, and the top end of the spiral flow guide pipe is communicated with the sewage inlet; the bottom end of the spiral flow guide pipe is communicated with the central cylinder, a partition plate is fixedly arranged in the tank body, the spiral flow guide pipe and the central cylinder both penetrate through the partition plate, the partition plate is of a net surface structure, a filler layer is arranged in the tank body and located above the partition plate, and the purified water outlet is communicated with the space below the partition plate. And the oil stain outlet is formed in a position close to the top of the tank body. According to the device, oil stains and other suspended impurities in the flue gas washing water are efficiently and reliably cleaned, and it is guaranteed that the treated water quality meets the emission standard, so that the marine environment is protected.

The utility model discloses a highway service area domestic sewage treatment equipment with adjustable operation mode, including an anaerobic tank, a first multifunctional tank, a second multifunctional tank, a third multifunctional tank and an MBR tank connected in sequence, and a second aeration pipe, a third aeration pipe and a fourth aeration pipe are arranged in sequence at the bottom of the tanks, the air inlet ends of the aeration pipes are connected to a first fan through an air inlet pipe, and a second valve, a third valve and a fourth valve are arranged in sequence on the air inlet pipes of the first multifunctional tank, the second multifunctional tank and the third multifunctional tank. The treatment equipment of the utility model has the advantages of low energy consumption, low operation and maintenance cost, long service life, and adjustable operation mode. When used to treat domestic sewage in highway service areas, it can not only automatically and timely adjust the operation mode according to the changes in water quality and water volume, but also ensure that the effluent water quality is stable and up to standard, and at the same time, it can significantly reduce the operation cost, with high use value and good application prospects.

The invention discloses sewage treatment equipment and method for oil field thickened oil produced water. The equipment comprises pretreatment equipment, main body equipment, dissolved gas supply equipment and a water outlet pump. Main body equipment comprises barrel equipment, and a flotation cyclone used for achieving the functions of dissolved air flotation and cyclone separation at the same time, separating out large-particle suspended solids through centrifugal force difference and achieving floating of oil drops through microbubble adsorption surfaces is sequentially arranged on the inner portion of the barrel equipment from top to bottom. The coalescence filler layer is made of oleophylic and hydrophobic core-shell structure fibers, and emulsified oil is promoted to polymerize and break emulsion through surface energy difference; and the inclined plate sedimentation device adopts an inclined tube labyrinth surrounding structure, performs deep sedimentation by utilizing a laminar flow principle, and further removes oil drops formed after coalescence.

The invention belongs to the technical field of sewage treatment and comprehensive utilization of water resources, and particularly relates to a reclaimed water reuse and rainwater collection and utilization system in an expressway service area. A sewage treatment, rainwater collection and water-saving irrigation integrated system is constructed, and the MBR process is emphatically applied to treat sewage. The system can effectively remove various pollutants in the sewage, so that the effluent reaches the reclaimed water reuse standard, and the sewage recycling is realized. Meanwhile, rainwater is efficiently collected and utilized, and the water demand of vegetation is accurately met in combination with an intelligent water-saving irrigation technology. The dependence of the service area on fresh water resources is reduced on the whole, the pollution of sewage discharge to the environment is reduced, the water resource management level is improved, remarkable economic, social and environmental benefits are achieved, and an innovative scheme is provided for sustainable utilization of the water resources in the small service area of the expressway.

The utility model relates to the technical field of wastewater treatment, and particularly provides distributed electrolysis wastewater treatment equipment. The device comprises an electrolytic tank, two sides of the inner wall of the electrolytic tank are fixedly connected with guide rails, the top of the electrolytic tank is fixedly and rotatably connected with two groups of chain wheels, each group of chain wheels comprises two chain wheels, two chain belts are sleeved between the two chain wheels, and the two chain belts are connected with the guide rails. According to the utility model, through the arrangement of the slag removal plate mechanism, the automatic removal of dross in the electrolytic tank is realized, the wastewater treatment efficiency and cleanliness are improved, the driving motor drives the chain wheels and the chain belts to move, and then the slag removal plate mechanism is driven to move along the guide rail, so that the waste water treatment efficiency is improved. The scum shoveling and pushing device goes deep into the water surface to shovel and push scum, thoroughness in cleaning is guaranteed, the requirement for manual maintenance is reduced, and the practicability and efficiency of the device are improved.

The invention discloses a sewage dosing and filtering device for mutton processing, and relates to the technical field of filtering equipment.The sewage dosing and filtering device comprises a filtering and precipitating mechanism and a filtering box installed in the filtering and precipitating mechanism, a pretreatment filtering mechanism is arranged on one side of the top of the filtering and precipitating mechanism, and a dosing box is arranged on one side of the pretreatment filtering mechanism; the filtering and precipitating mechanism comprises a precipitating base, a precipitating frame is fixedly installed on one side of the top of the precipitating base, reciprocating sliding grooves are symmetrically formed in the inner side of the top of the precipitating frame, a precipitating box is slidably connected to the interior of the precipitating frame, and a first handle is fixedly installed on one side of the precipitating box; a plurality of air flotation machines are fixedly mounted in the settling tank, rotation of a spiral filter screen is realized by utilizing the characteristic that a cleaning gear is in meshed connection with a cleaning rack, and impurities can be cleaned and temporarily stored in the spiral filter screen by utilizing the spiral characteristic of the spiral filter screen, so that the effect of cleaning the impurities is achieved.