479 results about "Reclaimed water" patented technology

The invention discloses a water flow intelligent monitoring system and method, and relates to the technical field of water flow intelligent monitoring, in combination with an actuator health degree evaluation and multi-target prediction control method, the characteristics of a valve and a water pump are finely described by arranging sensors and constructing a digital twinborn model; model predictive control or multi-agent reinforcement learning is adopted to dynamically generate a reliable and efficient control instruction; furthermore, through real-time closed-loop deviation detection and self-adaptive correction, delay, faults or communication abnormity of the actuator can be accurately dealt with; 4, quickly completing self-healing and fault-tolerant control by using a fault prediction and standby scheduling strategy to prevent failure diffusion; and 5, scenes such as rainfall flood, fire fighting and reclaimed water are incorporated into the same framework, and multi-scene coupled comprehensive water resource management is realized, so that water hammer impact and water leakage risks can be effectively reduced, and the safety of the water supply system under complex working conditions or equipment aging is remarkably improved.

The invention provides a low-carbon circulating technological process for treating high-total-nitrogen wastewater. A main treatment unit and a resource recycling and circulating unit are included; the main treatment unit is characterized in that high-total-nitrogen wastewater sequentially passes through a pH regulating tank, a sulfur autotrophic denitrification tank, a biochemical system, a secondary sedimentation tank, a deep treatment line and ultrafiltration reverse osmosis, produced reclaimed water enters produced water for delivery, and a part of produced concentrated water enters a resource recovery and circulation unit; the resource recovery and circulation unit is characterized in that after concentrated water is treated by a vertical electrophoresis device, mixed acid, mixed alkali and low-salt water are separated out, the mixed alkali is sent to a sulfur autotrophic denitrification tank to be used for supplementing alkalinity consumption of the sulfur autotrophic denitrification system, and the mixed acid sequentially passes through an anaerobic regulating tank, an anaerobic reactor, an alkali washing tower, a biological desulfurization reactor and a sedimentation tank; the recovered sulfur can be sold as elemental sulfur or reused in the sulfur autotrophic denitrification tank, and supernate flows back to the alkaline tower; a green, low-carbon and recyclable water treatment process flow is realized.

The invention relates to a reclaimed water reuse regulation and control method and system based on artificial intelligence and digital twinning, and the method comprises the steps: collecting initial data in a water treatment system, and carrying out the data preprocessing of the initial data to generate preprocessed data; constructing a digital twinning virtual model, and updating model parameters of the digital twinning virtual model based on the preprocessed data through a Bayesian reasoning algorithm to obtain a target digital twinning virtual model; outputting a water quality prediction result in a future preset time period through a pre-constructed water quality prediction model in the decision-making layer, and performing a rehearsal control strategy in the target digital twin virtual model based on the water quality prediction result to generate an optimization control instruction; performing data anomaly detection and fault diagnosis processing based on the preprocessed data through an anomaly detection model and an isolated forest algorithm to generate a fault diagnosis report; and issuing the optimization control instruction to an execution mechanism. The system response speed is improved, the control strategy perspectiveness is enhanced, and the equipment operation and maintenance intelligent level is improved.

The present invention relates to a modular and scalable system for intelligent vertical farming infrastructure, using the latest in water recycling sciences, and artificial-intelligence based automation. This helps to combat the issue of sustainable Agriculture+its minimizing usage of water, energy, and space. It combines a vertical farming structure with multiple levels of cultivation with an irrigation and drainage system to achieve recirculation of water. The water recycling unit consists of rainwater harvesting, wastewater collection and multi-stage treatment subsystems, which can guarantee a continuous supply of high-quality recycled water for irrigation. The invention also combines a network of Internet of Things (IoT)-enabled sensors and AI-based control circuitry to track and manage environmental conditions (e.g. light intensity, humidity, temperature, and nutrient levels).

The invention discloses an urban reclaimed water supply and demand collaborative prediction method, which comprises the following steps: processing a multi-source heterogeneous data flow from a reclaimed water pipe network, and generating a standardized spatio-temporal data set; a dynamic graph network prediction model is constructed based on the data set, a plurality of hydraulic conveying paths between nodes are explored, a bimodal form path conduction kernel capable of representing physical transmission delay and decision response delay respectively is constructed for each path, and then a comprehensive conduction kernel is formed through weighted stacking so as to accurately represent water quality space-time conduction characteristics; and generating a sub-quality demand prediction result and a cross-factory collaborative production scheme by using the model and the real-time demand signal. According to the method, the accuracy of prediction, the economical efficiency of scheduling and the safety and value of renewable water resource utilization can be improved by depicting the hydraulic power-water quality coupling conduction rule in a refined manner and combining an efficient collaborative optimization strategy.

The invention discloses a lime coagulation and clarification treatment system and method based on intelligent dosing, and belongs to the technical field of water treatment.The system comprises an efficient softening coagulation and clarification unit and an intelligent monitoring unit, a lime milk intelligent preparation unit, an intelligent dosing control unit and a sludge dewatering unit which are connected with the efficient softening coagulation and clarification unit. The efficient softening, coagulation and clarification unit is formed by sequentially connecting a wastewater regulating tank, a first-stage rapid mixing tank, a second-stage slow flocculation and concentration tank, a tubular membrane intelligent filtering device and a produced water neutralization tank; the intelligent monitoring unit collects incoming water and produced water data and transmits the data to the intelligent dosing control unit; the intelligent lime milk preparation unit is used for preparing and adding lime milk; the intelligent dosing control unit realizes intelligent dosing; and the sludge dewatering unit is used for treating the discharged sludge and returning the sewage. Intelligent monitoring, self-adaptive control, prediction algorithm and softening coagulation clarification are realized, the problems of inaccurate dosing, large water quality fluctuation and low automation degree of a traditional system are solved, and the system is suitable for scenes such as reclaimed water deep treatment and industrial wastewater treatment.

The invention relates to a water treatment and membrane separation technology, and provides an integrated catalytic separation membrane, a preparation method thereof, and a water treatment method and system. According to the membrane, polyvinylidene fluoride is used as a continuous phase to form a porous matrix, and cerium dioxide is embedded and fixed in a mode of uniform dispersion in a membrane body in a phase inversion membrane forming process; in the presence of illumination and peroxysulfate, active species are generated through in-situ activation on a membrane-water interface, and membrane separation is completed synchronously. The water treatment method comprises the following steps: adding peroxymonosulfate or peroxydisulfate into a water body to be treated, and filtering through the membrane under illumination; the photothermal effect generated by organic matter degradation intermediates in operation inhibits membrane pollution and maintains flux. According to the invention, short-range coupling of active sites and mass transfer channels is realized, the medicament and energy utilization rate is improved, the coating stripping and metal dissolution risk is reduced, and the method is suitable for drinking water pretreatment, reclaimed water deep treatment and treatment of water containing natural organic matters / humic acid.

The utility model discloses reverse osmosis equipment for recycling reclaimed water, which comprises a treatment unit, the treatment unit comprises a base, a high-pressure pump and a connecting frame, the high-pressure pump and the connecting frame are fixedly connected to the top of the base, the outer wall of the high-pressure pump is fixedly communicated with a high-pressure pipe, and the treatment unit further comprises a treatment assembly for pretreating the reclaimed water and a reverse osmosis unit, the membrane shell is fixedly connected to the inner wall of the connecting frame, the top and the bottom of the membrane shell are fixedly communicated with a water inlet pipe and a water outlet pipe respectively, the high-pressure pipe is communicated with the water inlet pipe, the bottom of an inner cavity of the membrane shell is fixedly connected with a pure water pipe, the pure water pipe is communicated with the water outlet pipe, and a plurality of round holes are formed in the outer wall of the pure water pipe. According to the utility model, the reclaimed water can be preliminarily classified and filtered through the plurality of filter sheets, and is fully contacted with the reverse osmosis membrane, so that the phenomenon that impurities block the end part of the reverse osmosis membrane is avoided, and the reverse osmosis effect is improved.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a reclaimed water recycling system matched with ethylene oxide and ethylene glycol production, which comprises a reclaimed water regulating tank (31), a hardness removal sedimentation tank (32), an ozone water inlet tank (33), an ozone contact tank (34) and a reclaimed water post-positioned CBR tank (35) which are sequentially connected, and the reclaimed water post-positioned CBR tank (35) is connected with an RO (reverse osmosis) membrane treatment tank (36). Fresh water discharged from the RO membrane treatment tank (36) is recycled to a low-salt wastewater treatment system (10), and concentrated water discharged from the RO membrane treatment tank (36) is connected to an RO concentrated water hardness removal tank (37); the reclaimed water recycling system not only realizes recycling of circulating water in multiple places, but also can cooperate with efficient treatment of low-salt wastewater and efficient treatment of high-salt wastewater to recycle clear water, so that water saving and emission reduction are realized, the operation cost is reduced, and the treatment efficiency is high.

The invention relates to the technical field of sewage treatment, in particular to a metal sulfide nanoparticle slow-release activator for sewage treatment and a preparation method of the metal sulfide nanoparticle slow-release activator for sewage treatment. The surface of the core layer is coated with the porous silicon dioxide membrane shell layer; the citric acid modifier is loaded on a core-shell interface; according to the invention, metal sulfide (such as FeS, MoS2, WS2 and the like) micro-nano particles are used as a solid-phase slow-release activator, so that the core problem of a traditional homogeneous activation system is radically solved. Firstly, the metal sulfide exists in the form of a solid phase and can directly contact and react with permanganate without an additional dissolving step, so that the problem of complicated process operation caused by poor solubility of activating agents such as sulfite is thoroughly avoided, and the process of reclaimed water treatment is simplified. The problem of poor continuous oxidation effect of a traditional homogeneous system is thoroughly solved.

The invention provides a BDO (1, 4-butanediol) wastewater treatment process with high sulfate content, which comprises the following steps: carrying out electrochemical oxidation treatment on BDO (1, 4-butanediol) wastewater with high sulfate content; introducing the obtained BDO wastewater into an anaerobic reaction device for anaerobic reaction to reduce sulfate ions into hydrogen sulfide and oxidize organic matters to reduce COD (Chemical Oxygen Demand); effluent sequentially flows back to the circulating desulfurization device and the air floatation device; carrying out aeration treatment in the circulating desulfurization device so as to oxidize hydrogen sulfide into elemental sulfur; elemental sulfur is recycled in the air flotation device, and part of effluent of the air flotation device and part of effluent of the anaerobic reaction device flow back to inlet water of the anaerobic reaction device; part of effluent of the air floatation device and part of effluent of the anaerobic reaction device are combined and then are sequentially introduced into an aerobic activated sludge tank with a membrane bioreactor and an ozone catalytic oxidation tank. Effluent can enter a subsequent ultrafiltration reverse osmosis membrane system to be purified, and water produced by the membrane system is recycled as reclaimed water.

The invention relates to the technical field of water treatment, and discloses a reclaimed water reuse treatment process suitable for island high-chlorine tail water, which comprises the following steps: when the real-time chloride ion concentration value is not higher than the chloride ion concentration threshold value, introducing the pretreated water into a low-salinity treatment path, and carrying out first desalination treatment by adopting a capacitive deionization technology; and when the real-time chloride ion concentration value is higher than the chloride ion concentration threshold value, guiding the pretreated water into a high-salinity treatment path, and carrying out second desalination treatment by adopting a reverse osmosis technology. A parallel double-path deep desalination framework is constructed, an intelligent control system guides water flow into an MCD I path or an LPRO path, and frequent switching of the system at a critical point is avoided by setting a hysteresis interval, so that a treatment path with the lowest instantaneous operation cost is automatically selected according to real-time water quality, energy consumption optimization in a full working condition range is realized, and the energy consumption is reduced. And long-term stable and efficient operation of the system is ensured.

The invention provides a reinforced hardness removal device for a reclaimed water plant, and relates to the technical field of sewage treatment.The reinforced hardness removal device comprises a settling box, a square pipe fixedly communicated with the top of the settling box, a mixing box fixedly connected with the top end of the square pipe, a cleaning unit installed in the settling box, a pollution discharge unit installed on the lower portion of the settling box and a blocking and discharging component installed on the upper portion of the square pipe; a stirring unit is mounted in the mixing box; the cleaning unit comprises a driving cleaning part, a guide part and a telescopic part; the driving and cleaning part is used for pushing sediment at the bottom of the inner side of the sediment box to the blocking and discharging part; the guide part is used for providing a moving track for the driving cleaning part; according to the device, the electric cylinder drives the lifting frame to move and synchronously drives the mud pushing plate to move, the blocking plate to be opened and closed and the collecting rotary drum to rotate, automatic linkage of cleaning, discharging and feeding is achieved, manual operation is reduced, the treatment efficiency is improved, mixing, sedimentation and mud discharging are integrated on the same device, traditional split design is avoided, and the structure is more compact.

The invention belongs to the technical field of building reclaimed water treatment systems, and particularly relates to a building reclaimed water treatment system based on edge self-control. The building reclaimed water treatment system comprises a sensing layer, an edge self-control layer and a cloud platform layer, the cloud platform layer is connected with the edge self-control layer through asynchronous communication, and the edge self-control layer controls the sensing layer in real time; the sensing layer comprises a water quality sensor unit, an equipment detection unit, a flow detection unit and an environment sensing unit; the edge self-control layer comprises an edge computing gateway, an edge intelligent engine, a local control unit and an edge collaborative network; the cloud platform layer comprises a model training unit, a data analysis unit, a comprehensive management unit and a strategy optimization unit. The invention provides the building reclaimed water treatment system with high reliability, high intelligence and high real-time performance, an advanced water treatment process and an edge intelligent control technology are deeply fused, the dependence on centralized control and network connection is reduced, refined and intelligent management of reclaimed water treatment is realized, the water resource utilization efficiency and the system operation benefit are maximized, and the water resource utilization efficiency and the system operation benefit are improved. Meanwhile, energy consumption and maintenance cost are reduced, and system safety and user experience are improved.

The invention relates to the technical field of pavement materials, in particular to a regenerated cement stabilized macadam mixture and a preparation method thereof. The mixture is prepared from chemical enhanced recycled coarse aggregate, basalt fiber and other raw materials, and the chemical enhanced recycled coarse aggregate is prepared through the steps of hydrochloric acid solution treatment, chemical modification solution soaking and the like. The preparation method comprises the following steps: weighing the raw materials according to the ratio, mechanically stirring part of the raw materials uniformly, adding the polycarboxylate superplasticizer, stirring, adding water, and stirring. The mixture has remarkable advantages, realizes efficient recycling and reusing of waste resources, improves the resource utilization rate, improves the pavement performance, reduces the maintenance cost, reduces ecological damage and environmental pollution, meets the environmental protection requirements, reduces the raw material and road maintenance and repair cost, has good economic benefits, and provides an effective scheme for sustainable development of related fields.

The invention discloses a curing agent for curing and damming solid waste and a layer-by-layer cofferdam damming process, and relates to the technical field of damming filler devices. The curing agent is characterized in that a guide and discharge device with a guide and regulation effect is arranged on the front side of a preparation device; a reclaimed water device with filtering and flow guiding functions is arranged on the side face of the preparation device, and the industrial solid waste environment-friendly treatment, solidification and accumulation technology is adopted, so that equipment machining automation is achieved; according to the process of stirring industrial solid waste and reclaimed water according to a ratio, adding a curing agent according to a classified ratio of the industrial solid waste, conveying by a pipeline, curing and building a weir, repairing a pool on a pool, forming a central emergency pool, stacking and storing, and greening the solid, the dust pollution after stacking is reduced, the storage capacity can be increased, the service life is prolonged, and the environmental pollution is reduced. The effect after layered solidification and accumulation is similar to that of a terraced field, vegetation greening is carried out after soil covering, and the industry is recovered and improved step by step.

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a low-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production, which comprises a low-salt regulating tank (11), a biological selection tank (12), a low-salt ASR tank (13), a low-salt CBR tank (14) and a low-salt secondary sedimentation tank (15) which are sequentially connected, sludge at the bottom of the low-salt secondary sedimentation tank (15) is connected with a sludge return tank (17); the low-salt wastewater treatment system realizes efficient treatment of low-salt wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (30) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.

The invention relates to the technical field of water resource management and optimal scheduling, and discloses a dynamic-based regional reclaimed water utilization scheduling method and system.The method comprises the steps that natural water volume, water quality conditions and water resource supply and demand data are collected, and a water source data set is obtained; analyzing the water source data set to evaluate the current reuse water utilization situation, and determining the reuse water utilization potential in combination with a target file; integrating the reclaimed water utilization potential and the regional dynamic characteristic data into a comprehensive data set, and inputting the comprehensive data set into a dynamic model to predict a reclaimed water optimal configuration scheme; and triggering a corresponding water supply strategy according to the optimal configuration scheme in combination with the purpose of the reclaimed water. According to the application, efficient scheduling of reclaimed water is realized through the kinetic model, the water resource utilization rate is improved, and regional economic and ecological requirements are met.

The invention belongs to the technical field of sewage treatment, and particularly discloses a self-adaptive multi-medium composite filtering device and a filtering method thereof. The device comprises a multi-layer composite filter layer, a sensor, an automatic backwashing system and a control system, based on cooperative work of the multi-layer composite filter layer and an intelligent regulation and control system, after to-be-treated sewage is intercepted and adsorbed by the multi-layer filter layer in gradient distribution in a layered manner, the sensor collects water quality and filter layer state data in real time; and the intelligent control system dynamically adjusts the porosity of the filter layer based on preset logic, and triggers'on-demand backwashing ', so that efficient purification of complex water is realized. The problems of low efficiency, poor impact resistance and high backwashing energy consumption of a traditional filtering technology are solved, the effluent turbidity is smaller than or equal to 5 NTU, the COD removal rate is larger than or equal to 45%, the comprehensive operation cost is reduced by 40% or above, and the method is suitable for industrial sewage pretreatment, domestic sewage deep filtration and reclaimed water reuse.

The invention relates to the technical field of water resource bearing capacity evaluation, and discloses a water resource bearing capacity evaluation method and system for a mountain city, which combines space system planning and water control concepts to construct an evaluation model, and comprises the following steps: carrying out potential analysis based on a water conservancy analysis method; selecting the available amount of local water resources, the available amount of transit water resources and the available amount of regenerated water resources in combination with mountain features, and constructing a mountain urban water resource available potential quantitative method; performing water consumption interpretation based on spatial planning, and constructing a water consumption interpretation method by adopting an analytic hierarchy process mode according to the characteristics and requirements of mountain urban water consumption; key factors and constraint conditions are determined according to a water conservancy analysis method and space planning, and a mountain water resource bearing capacity evaluation model is constructed. According to the method, the evaluation range of the water resource bearing capacity is widened, the early warning capacity and the research depth are improved, the mountain water resource bearing capacity evaluation model is established, and accurate evaluation and dynamic regulation and control of the mountain urban water resource bearing capacity are achieved.

The invention provides reclaimed water utilization equipment for water resource management, which comprises a U-shaped regeneration channel, a connecting strip is transversely arranged on the upper part of the U-shaped regeneration channel close to the inlet end of the U-shaped regeneration channel, a plurality of blocking strips are downwards arranged on the connecting strip, and a horizontal connecting plate is horizontally arranged on one side of the blocking strips in the U-shaped regeneration channel. The lower end of the horizontal connecting plate is connected with a plurality of connecting ropes, and each connecting rope is provided with a plurality of biological fillers; a biological floating bed is arranged above the horizontal connecting plate in the U-shaped regeneration channel, a plurality of planting holes downwards penetrate through the biological floating bed, a detachable planting cup is arranged in each planting hole, an opening is formed in the lower end of each planting cup, and the side wall of each planting cup is of a net-shaped structure. According to the invention, a plurality of stable water quality purification technologies are adopted, and inferior river water is converted into available regenerated water resources.

This invention discloses a method for recycling and reusing cyanide silver plating wastewater. The method includes four steps: separation of silver ions and cyanide, concentration of the silver-containing solution, cyanide concentration, electrolysis and residual liquid recycling, and reuse of reclaimed water. This method achieves the separate recycling and reuse of silver, cyanide, and water. The silver-containing solution is electrolyzed to obtain metallic silver, the cyanide concentrate's main component is sodium cyanide or potassium cyanide solution, and the reclaimed water with a conductivity below 20 μS / cm is reused in the production line. This method not only maximizes resource utilization and reduces wastewater discharge, but also separates most of the cyanide from the silver-containing solution during electrolysis, making the electrolysis process safer. Furthermore, the residual liquid after electrolysis can be recycled multiple times for the separation and concentration of silver ions and cyanide.

The invention relates to the technical field of domestic sewage treatment, and discloses a domestic sewage treatment dynamic regulation and reuse system based on data analysis. A hydraulic power and load impact early warning module; an effluent quality prediction module; a collaborative optimization decision module; an execution control module; and a water quality monitoring and verification module. According to the method, water quality prediction and load early warning are carried out by using real-time data, process parameters are dynamically adjusted through a numerical optimization algorithm, the operation cost is reduced to the maximum extent, water quality compliance is ensured, and the stability and reliability of sewage treatment and the high efficiency of reclaimed water reuse are ensured through full-process closed-loop control and accurate water quality monitoring verification.

The utility model provides a grey water treatment system which comprises a wash basin and / or a mop pool, a grey water tank connected with a water outlet of the wash basin and / or the mop pool through a drain pipe, a grey water pump connected with the grey water tank, and a water outlet end of the grey water pump is connected with a filter, wherein the grey water tank is internally provided with a filter basket for filtering water flowing into the wash basin and / or the mop pool; the top end of the filter is connected with a pressure sensor B and a pressure gauge, the filter is connected with an air flotation machine, the air flotation machine is connected with an ozone catalysis device, and the reclaimed water tank water supply system is connected with the ozone catalysis device. According to the utility model, grey water in the hand basin and the mop pool is treated into reclaimed water for reuse, and the reclaimed water is used for flushing the toilet, so that the burden of municipal sewage treatment is greatly reduced, and precious tap water resources are saved.

The invention discloses a water quality purification system based on two-stage membrane treatment and a control method thereof, and belongs to the technical field of water quality purification. The water quality purification system comprises a filtering tank, the right side of the filtering tank is connected with a reclaimed water tank, the lower end of the reclaimed water tank is connected with a security filter, and the left end of the security filter is connected with a high-pressure pump; the water pipe between the security filter and the high-pressure pump is connected with a second electric valve, the left end of the high-pressure pump is connected with a third electric valve, the left end of the third electric valve is connected with two groups of membrane shells, the upper ends of the membrane shells are connected with a fifth electric valve and a fourth electric valve, and the left end of the fifth electric valve is connected with two groups of pure water tanks; the lower end of the pure water tank is connected with the second electric valve, the upper end of the fourth electric valve is connected with the first electric valve, and automatic switching of single-stage and double-stage water purification is achieved through automatic switching of the second electric valve, the third electric valve, the fourth electric valve and the fifth electric valve, and timing flushing circulation of a membrane shell is achieved.

The application discloses a method for detecting low-concentration urea in reclaimed water and a continuous online monitoring device, and belongs to the technical field of water quality monitoring equipment. The method comprises the following steps: adding sulfuric acid solution into a water sample to be detected to adjust pH to 3-5, then adding sodium dodecyl sulfonate and ethylenediaminetetraacetic acid to form a urea stable system; concentrating the water sample by vacuum distillation under the condition of 60-80 DEG C; adding a chromogenic reagent and a stabilizing reagent into the concentrated water sample, and reacting under the condition of 65-75 DEG C for 10-15 minutes; and determining the absorbance by using an ultraviolet detector and calculating the urea content. The application further provides a continuous online monitoring device for realizing the method. The application can accurately detect low-concentration urea below 80 mu g / L, the single detection time is less than 30 minutes, the anti-interference capability is strong, and full-process automatic control is realized.

The utility model relates to the technical field of sewage treatment, and discloses an automatic flushing device for a pipe in front of a pump, which comprises a high-pressure flushing pump and a blow-off pipe, one end of the high-pressure flushing pump is connected with a flexible joint I, the flexible joint I is communicated with a reclaimed water supply pipe, and the middle part of the outer wall of the reclaimed water supply pipe is fixedly connected with a valve I; and the other end of the high-pressure flushing pump communicates with a second soft connector, the top of the second soft connector communicates with a flushing hard pipe, the right side of the outer wall of the flushing hard pipe communicates with a check valve, and the left side of the outer wall of the flushing hard pipe is fixedly connected with a second valve. The first valve and the second valve flexibly control on-off and flow of liquid, flushing force can be accurately adjusted according to actual requirements, flushing efficiency is improved, the check valve prevents liquid from flowing back, the high-pressure flushing pump is protected, stable operation of the device is guaranteed, and the flushing hose blocks sludge through deformation, loosening and hardening caused by pressure application and release. The sludge is further flushed through the widely distributed micropores, so that the smoothness of the sludge pipe is ensured.

The application discloses a heavy water recovery device of a deuterium generator, which comprises a cooling box, a collecting box, a heat exchange device and a condenser pipe, an installation groove is arranged on the cooling box, an installation rod is arranged in the installation groove, an upper top groove is arranged on the installation rod, a positioning rod is arranged in the upper top groove through an upper top mechanism, positioning holes are arranged on the cooling box, a driving motor is arranged on the positioning rod, a driving gear is rotatably arranged on the upper end surface of the cooling box, the driving motor is connected with the driving gear through a clamping mechanism, and a screw rod is rotatably arranged on the cooling box through a supporting plate. The device is provided with a screw rod, a threaded sleeve, a connecting rod and a scraping ring, the water film on the inner wall of the condenser pipe can be scraped and collected, and the recycling effect of the reclaimed water is ensured; the device is provided with a driving gear, a transmission gear, a screw rod and a connecting rod, the synchronous movement of the two scraping rings is realized, and the transmission and linkage effects of the device are ensured.

The sewage treatment system comprises a sewage collection tank, an outlet of the sewage collection tank is communicated with a dosing pipeline, the dosing pipeline is connected with a clarification tank, supernate of the clarification tank is communicated with a biochemical tank, the bottom of the clarification tank is communicated with a sludge blending tank, the biochemical tank is communicated with a primary sedimentation tank, and the primary sedimentation tank is communicated with a secondary sedimentation tank. The third sedimentation tank is provided with a water outlet, the bottom of the first sedimentation tank, the bottom of the second sedimentation tank and the bottom of the third sedimentation tank are communicated with the sludge blending tank, the sludge blending tank is communicated with the plate filter press, the plate filter press is communicated with the sewage collection tank, the sewage treatment system comprises a reclaimed water recycling device and an intermediate tank, the second sedimentation tank is communicated with the intermediate tank, and the intermediate tank is communicated with the third sedimentation tank. The middle tank is provided with a reuse water port, a concentrated water pipeline of the reclaimed water reuse device is communicated with the Fenton reaction device and the clarification tank, the Fenton reaction device is communicated with the tertiary sedimentation tank, and the middle tank is higher than the reclaimed water reuse device. According to the application, the reclaimed water reuse device still has enough inlet water when the water inflow fluctuates, and it is guaranteed that discharge reaches the standard.

The application discloses a kind of dispersing water supplementing devices for coastal plain river network direct ammonia oxidation denitrification of reclaimed water, including the pretreatment tank, direct ammonia oxidation device and water supplementing device connected in sequence, the upper electrode and lower electrode with longitudinal alignment hole are horizontally arranged in funnel-shaped desalination settlement area of the bottom of pretreatment tank, aeration disc is arranged at the top of desalination settlement area, flocculating agent storage tank is arranged in the upper part of pretreatment tank, its injection pipe is immersed below water surface, desalination settlement area is connected with direct ammonia oxidation device by communicating pipe, and the filler filled with direct ammonia oxidation microorganism is filled in the inside of direct ammonia oxidation device, the bottom of direct ammonia oxidation device is connected with water supplementing device, and water supplementing device is connected with a plurality of primary water distribution branch pipes through water distribution main pipe.The device can realize the maximization of direct ammonia oxidation unit denitrification efficiency through water supplementing front end pretreatment and water supplementing tail end treatment, and the maximization of coastal plain river network water supplementing benefit is realized through the designed dispersing water supplementing device.