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150 results about "Clarifier" patented technology

Clarifiers are settling tanks built with mechanical means for continuous removal of solids being deposited by sedimentation. A clarifier is generally used to remove solid particulates or suspended solids from liquid for clarification and (or) thickening. Concentrated impurities, discharged from the bottom of the tank are known as sludge, while the particles that float to the surface of the liquid are called scum.

Composite clarifying agent for alkali-free glass and manufacturing method of alkali-free glass substrate

The invention discloses a composite clarifying agent for alkali-free glass and a manufacturing method of an alkali-free glass substrate, and relates to the technical field of glass manufacturing, the composite clarifying agent for alkali-free glass comprises the following components by mass: 12-30% of ammonium chloride, 48-73% of sulfate, and 11-25% of calcium fluoride; the preparation method comprises the following steps: adding a composite clarifying agent accounting for 0.2-1.2% of the total weight of the glass raw material into the glass raw material, uniformly mixing to form a batch, and carrying out melting, molding, spraying, annealing, cutting, alkali cleaning and other processes on the batch to finally prepare the glass substrate. The prepared composite clarifying agent does not contain toxic substances such as arsenic oxide and antimony oxide, the glass substrate produced by using the clarifying agent not only has an excellent clarifying effect, but also can recycle SO2 and NH3 gas generated in the melting process, can effectively solve the quality problems such as micro-flaws on the surface of the glass substrate in the production process, and has a good application prospect. And the production cost can be reduced and the product quality can be improved.
Owner:BENGBU CHINA OPTOELECTRONIC TECH CO LTD

High-light-transmittance glass and preparation method thereof

InactiveCN120535197ASilicon dioxideDolomite
The invention belongs to the technical field of glass, and particularly relates to high-light-transmittance glass and a preparation method of the high-light-transmittance glass. The raw materials comprise the following components in parts by weight: 20 to 30 parts of quartz sand, 15 to 18 parts of sodium carbonate, 8 to 10 parts of limestone, 5 to 7 parts of dolomite, 0.3 to 0.5 part of a clarifying agent, 0.2 to 0.3 part of a coloring inhibitor, 0.1 to 0.2 part of lithium carbonate, 0.05 to 0.1 part of titanium dioxide, 0.1 to 0.3 part of zirconium oxide, 2 to 4 parts of aluminum oxide, 1 to 3 parts of boron oxide, 0.3 to 0.5 part of nano silicon dioxide sol and 1 to 3 parts of a high-temperature-resistant agent; and 1-5 parts of a wear-resistant agent. The quartz sand, the sodium carbonate, the limestone, the dolomite, the clarifying agent, the coloring inhibitor, the lithium carbonate, the titanium dioxide, the zirconium oxide, the aluminum oxide, the boric oxide, the nano silicon dioxide sol, the high-temperature-resistant agent and the wear-resistant agent are used as raw materials, so that the prepared glass is high in light transmittance, and meanwhile, the performance requirements of high strength, low spontaneous explosion rate and the like are met.
Owner:HEBEI YINGYAN INTELLIGENT TECH CO LTD

Clarifier and water purifier

The present application discloses a clarifier and a water purifier, and belongs to the technical field of sewage treatment. The clarifier and the water purifier are provided. The lower end of the clarifier is closed. A throat pipe is arranged in the clarifier from the center of the bottom of the clarifier. A first reaction chamber is arranged in the upper part of the throat pipe. An annular second reaction chamber is arranged around the first reaction chamber. The first reaction chamber is connected to the second reaction chamber from the top. The second reaction chamber is connected to a separation chamber from the bottom. A sludge discharge pipe is arranged on the side of the bottom of the separation chamber. The top of the separation chamber is connected to a water outlet weir. The sewage added with a medicament enters a cyclone reaction area of the water purifier, and then flows into the clarifier through a primary flocculation reaction and a preliminary suspended clarification area to perform a first-stage and a second-stage flocculation reaction, so that the clarity of the clean water obtained after the sewage treatment is improved. The problem that the existing water purifier can only perform a first-stage flocculation reaction on the sewage and the sewage treatment effect is poor is solved.
Owner:GUIZHOU CRRC GREEN ENVIRONMENT CO LTD

Mixing and clarifying tank, liquid level adjusting method thereof and nuclide recycling and extracting system

The invention discloses a mixing and clarifying tank, a liquid level adjusting method thereof and a nuclide recovery and extraction system, which can adjust the liquid level of a two-phase interface in an overflow chamber by adjusting the air pressure difference between the overflow chamber and a clarifying chamber through an air pressure adjusting assembly, thereby avoiding the increase of maintenance workload of the mixing and clarifying tank due to the increase of mechanical moving parts. The mixing and clarifying tank comprises a clarifying tank body and a liquid level adjusting device. A sealing top cover is arranged at the top of the clarifying tank body, and the clarifying tank body comprises a mixing chamber, a clarifying chamber and an overflow chamber which are sequentially communicated from front to back; the overflow chamber is defined by a front heavy-phase flow baffle, a rear sealing baffle and a sealing top cover. The liquid level adjusting device comprises an air pressure adjusting assembly. The air pressure adjusting assembly is arranged in the overflow chamber and used for adjusting the air pressure difference between the overflow chamber and the clarifying chamber so as to adjust the liquid level difference between the highest liquid level in the overflow chamber and the liquid level of the two-phase interface in the overflow chamber, and then the liquid level of the two-phase interface in the overflow chamber is adjusted to the target liquid level.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD

Treatment system for directly recycling wastewater of middle-high pressure boiler

The utility model provides a system for directly recycling wastewater of a medium-high pressure boiler. The system comprises a collecting and regulating tank, a heat exchanger, a coagulation clarifier, a multi-medium filter, an ultrafiltration system, a secondary reverse osmosis system, an EDI (Electronic Data Interchange) device, a mixed bed and a user high-purity water tank which are connected in sequence, the second-stage reverse osmosis system comprises a first-stage reverse osmosis system and a second-stage reverse osmosis system, the first-stage reverse osmosis system comprises a first-stage RO raw water tank, a precision filter and a first-stage RO device, effluent of the ultrafiltration system enters the first-stage RO raw water tank and then enters the precision filter to be filtered, and water produced by the precision filter is fed into the first-stage RO device; the second-stage reverse osmosis system comprises a second-stage RO raw water tank and a second-stage RO device, fresh water produced by the first-stage RO device is fed into the second-stage RO raw water tank and then enters the second-stage RO device, and fresh water produced by the second-stage RO device is fed into the EDI device to be treated. According to the utility model, a full-flow treatment system is developed aiming at the water quality condition of the wastewater of the medium-high pressure boiler, and the finished water can stably meet the water supply requirements of the medium-high pressure boiler.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1

Lime coagulation dosing device based on self-adaptive control and use method

The invention discloses a lime coagulation dosing device based on self-adaptive control and a use method, and belongs to the technical field of sewage treatment. The device comprises a raw material supply unit, a dissolving and mixing unit, a dosing execution unit, a monitoring sensing unit and a control center unit, the raw material supply unit is connected with one side of the dissolving and mixing unit, and the other side of the dissolving and mixing unit is connected with the clarification tank; the dosing execution unit is arranged on a pipeline between the dissolving and mixing unit and the clarification tank; the control center unit is connected with the dosing execution unit and the monitoring sensing unit; and the monitoring sensing unit is arranged in the clarification tank. The device synchronously responds to key indexes such as pH, turbidity and temperature, the dosage is automatically adjusted according to real-time data, manual intervention is reduced, and the equipment maintenance difficulty is reduced by accurately adding the dosage and reducing lime consumption and sludge yield.
Owner:HUANENG QINBEI POWER GENERATION CO LTD HENAN PROVINCE +1

Launder cover system

A launder cover system for reducing or eliminating sunlight exposure so as to prevent algae growth in a tank such as a clarifier tank. The launder cover system generally includes a plurality of support members and a plurality of launder covers which are each independently pivotably connected to a tank wall of a tank, such as by using a mount. The support members are each pivotably connected to the tank wall by a pivot connector and the launder covers are each pivotably connected to the tank wall by a hinge connector. Each support member is positioned between a pair of launder covers, and each launder cover is positioned between a pair of support members. The support members function to support the launder covers in a raised or lowered position. A launder support may be connected to the channel wall to support the launder covers in their lowered positions.
Owner:JANSSEN JERRY D

Power plant sludge pump process control optimization method

The invention provides a power plant sludge pump process control optimization method, and belongs to the technical field of power plant automation control. The sludge pump can at least partially solve the problems that the displacement cannot be accurately matched, the pipeline is easy to block, and the pump body is burnt out due to the fact that the control of the existing sludge pump depends on easily blocked pressure measuring points and unreliable manual flushing. The method comprises the following steps: acquiring a real-time liquid level of a clarification tank, and automatically starting sequence control when the liquid level reaches a high threshold value; in sequence control, effective flushing is ensured by monitoring the flow of flushing water; during the sludge pumping and discharging period, continuously monitoring the outlet flow of the sludge pump; and when the outlet flow is lower than an operation failure threshold value or the liquid level of the clarification tank is lower than a low threshold value, the pump stopping step is automatically executed. The automatic control system has the beneficial effects that closed-loop automatic control is realized by introducing the liquid level meter and the outlet flow meter, and a pressure measuring point which is easy to block is replaced by outlet flow monitoring, so that the problem that the pump body is burnt due to idling is fundamentally avoided.
Owner:NORTHERN UNITED POWER CO LTD

Multi-stage deep treatment device and method for coal gasification black water

The invention discloses a coal gasification black water multi-stage deep treatment device and method, and relates to the technical field of water treatment.The coal gasification black water multi-stage deep treatment device comprises a flash tank, a settling tank, a mixing and clarifying tank, a partition plate, an overflow opening, a mixing cavity, a clarifying and stirring mechanism, a pressing plate, a water inlet tank and a fixed bin, the two sides of the fixed bin are open, and an adjusting plate is clamped in the fixed bin and horizontally and freely slides in the fixed bin; a water storage space is defined by the adjusting plate, the fixed bin and the partition plate. According to the device, the pressing plate moves downwards, so that the pressing plate extrudes an extraction liquid in the mixing cavity, part of the extraction liquid enters the water storage space from the water inlet groove under the action of pressure, then along with downward movement of the pressing plate, the liquid level of the extraction liquid in the water storage space rises, and the extraction liquid flows into the clarifying cavity from the overflow port; after entering the water storage space, the extraction liquid loses the acting force of the stirring mechanism, so that a relatively large turbulence phenomenon is avoided, the extraction liquid can flow into the clarification cavity at a relatively low flow speed, and the clarification efficiency is prevented from being influenced.
Owner:HENAN HENGTAI ENVIRONMENTAL PROTECTION ENG CO LTD

Circulating water lime softening system and method based on seed crystal circulation and intelligent control

The invention belongs to the technical field of thermal power plant circulating water and sewage pretreatment, and relates to a circulating water lime softening system and method based on seed crystal circulation and intelligent control. Comprising a raw water tank, a lime softening tank, a flocculation reaction tank, a clarification tank and a softened water tank, through the synergistic effect of the seed crystal reflux circulation and the intelligent control technology, the softening efficiency is remarkably improved, the medicament consumption and the sludge output are reduced, and the resource utilization of the calcium carbonate byproduct is realized; according to the system, through organic connection of the raw water tank, the lime softening tank, the flocculation reaction tank, the clarification tank and the softening water tank, accurate adding of lime, sodium carbonate, seed crystal and a flocculating agent is combined, and whole-process water quality on-line monitoring and intelligent regulation and control are matched, so that efficient softening treatment of circulating water blow-down water is realized, stable and up-to-standard effluent quality is ensured, and the quality of discharged water is improved. Meanwhile, the operation cost and the treatment effect are optimized.
Owner:HUANENG QINBEI POWER GENERATION CO LTD HENAN PROVINCE +1

Water treatment system combining anoxic biofilter and artificial wetland

The present invention proposes a water treatment system that couples anoxic biofilters with artificial wetlands, belonging to the field of water treatment technology. The key technical points are: sewage is collected through a pipe network and flows into a water collection pool, and then enters a regulating / anoxic pool through a lift pump. The solid carbon source in the pool provides a carrier for microorganisms while achieving slow-release supplementation of the carbon source, thereby strengthening the denitrification reaction to remove total nitrogen. The system is then transported to a biofilter and a contact oxidation pool by a lift pump, and COD and ammonia nitrogen are removed through carbon oxidation and nitrification reactions. The effluent enters a high-efficiency clarifier, and after most of the total phosphorus and SS are removed through chemical phosphorus removal and coagulation and sedimentation, the overflow enters an artificial wetland, and is subjected to a comprehensive treatment of plant-microorganism-filler to deeply purify the pollutants and meet the discharge standards. Using the water treatment method of the present application, the effluent water quality can be improved to the Class B emission standard.
Owner:上海市嘉定区河道水闸管理所

Treatment system for power plant wastewater recovery

The invention discloses a treatment system for power plant wastewater recovery, which comprises a softening pretreatment assembly for removing impurities in wastewater, a clarification tank for treating suspended matters, a clean water tank for storing clean water, a membrane concentration assembly communicated with the softening pretreatment assembly, and a water supply assembly communicated with the membrane concentration assembly. The device is used for further improving the filtering effect on the wastewater and comprises a multi-medium filter for filtering impurities and a reverse osmosis device for desalting the wastewater. The power plant wastewater treatment system has the beneficial effects that some solid impurities in power plant wastewater can be filtered through the softening pretreatment assembly, the crystallization phenomenon in an existing wastewater treatment system is greatly reduced, the treated wastewater can be further filtered through the membrane concentration assembly, salt in the wastewater can be concentrated and separated, the discharge amount of strong brine is reduced, and the treatment cost is reduced. In addition, reverse osmosis produced water and reverse osmosis concentrated water produced by the reverse osmosis device can be respectively supplemented for boiler water and desulfurization water, so that the recycling rate of wastewater is increased.
Owner:HUANENG POWER INT ENERGY DEV CO LTD +1

Lime coagulation treatment effect real-time monitoring and regulation system and method based on multi-parameter fusion

The invention discloses a lime coagulation treatment effect real-time monitoring and regulation system and method based on multi-parameter fusion, and belongs to the technical field of water treatment. The system disclosed by the invention comprises a data acquisition and analysis module, a data processing and evaluation module, an intelligent regulation and control module, an execution mechanism and a coagulation clarifier, the acquisition and analysis module is respectively connected with a water inlet / outlet of the coagulation clarifier and the reaction area; the acquisition and analysis module is electrically connected with the data processing and evaluation module, the intelligent regulation and control module and the execution mechanism in sequence; and the executing mechanism is arranged in the coagulation clarifier. According to the system disclosed by the invention, all the modules and parts have a synergistic effect, so that the technical problem that an existing monitoring system lacks multi-parameter coupling analysis and intelligent decision-making capabilities is solved.
Owner:HUANENG QINBEI POWER GENERATION CO LTD HENAN PROVINCE +1

Water-saving desulfurization wastewater treatment device

The utility model belongs to the technical field of energy utilization, and relates to a water-saving desulfurization wastewater treatment device which comprises a wet desulfurization system, a double-alkali softening device, a clarification tank, an ultrafiltration device, a primary nanofiltration device, a secondary nanofiltration device, a reverse osmosis device and a crystallization device. The desulfurization wastewater is fed into a double-alkali softening device, is subjected to acid-alkali neutralization by sodium hydroxide and heavy metal removal, and is fed into a clarification tank after calcium and magnesium ions are removed by sodium carbonate; wastewater in the clarification tank is filtered by the filtering device and then fed into the primary nanofiltration device, concentrated water discharged by the primary nanofiltration device is mixed with part of water produced by the reverse osmosis device and then fed into the secondary nanofiltration device, and water produced by the primary nanofiltration device and the secondary nanofiltration device is fed into the reverse osmosis device. The water produced by the reverse osmosis device is mixed with the concentrated water discharged by the first-stage nanofiltration device, the residual water and the concentrated water discharged by the second-stage nanofiltration device are sent to a wet desulphurization system for recycling, the concentrated water discharged by the reverse osmosis device is sent to a crystallization device, and after crystallization and evaporation, the main component is collected as a sodium chloride solid.
Owner:国能康平发电有限公司 +1

A method and device for preparing ultra-thin rolled glass for solar cells

The present invention relates to a preparation method and a preparation device for ultra-thin rolled glass for solar cells. Compared with the existing rolled glass preparation technology, the present invention targets the particularity of ultra-thin rolled glass for solar cells, conducts technical innovations in multiple processes, and forms a brand-new ultra-thin rolled glass preparation technology. Specifically, it includes: in the glass component selection and batching process, optimizing the design of glass components to improve the impact resistance of ultra-thin rolled glass; in the melting and clarification process, improving the clarifier formula and setting the melting furnace combustion atmosphere to an oxidizing atmosphere to achieve efficient melting and clarification of the glass liquid; in the forming process, adopting a multi-stage rolling forming process to achieve the forming of ultra-thin glass ribbons with small thickness differences; in the annealing process, adopting an annealing process that finely controls the temperature of each annealing area and accurately controls the cooling rate of the glass ribbon to achieve precise annealing of the ultra-thin rolled glass ribbon. The ultra-thin rolled glass produced by the present invention has the advantages of small thickness difference, high impact resistance, and high transmittance.
Owner:CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP CO LTD +3

Upflow type sewage internal carbon source conversion and storage reaction device

The utility model belongs to the technical field of sewage treatment biological denitrification equipment, and particularly relates to an up-flow type sewage internal carbon source conversion and storage reaction device which comprises a reaction device body, a baffling partition plate is arranged in the reaction device body, a water distribution tank is arranged between the baffling partition plate and the reaction device body, and a water inlet pipe is communicated with the water distribution tank. The water distribution tank and the water inlet pipe are arranged at the top of the reaction device body; a water outlet is formed in the water distribution tank; a bottom reflecting baffle is arranged at the bottom of the reaction device body; a sludge discharge pipe is arranged on the reaction device body at one end of the bottom reflecting baffle; an integrated clarifier with a closed bottom is arranged on the other side of the baffling partition plate, a bottom sludge collector is arranged in the integrated clarifier and communicated with a sludge pipe, and a drainage pipe is arranged on the side wall close to the upper part of the integrated clarifier; a sludge distributor is arranged on the inner side wall of the baffling partition plate, a sludge inlet pipe and a sludge outlet pipe are arranged on the sludge distributor, and a plurality of overflowing holes are formed in the sludge distributor and the bottom reflecting baffle plate. The sewage treatment cost is effectively reduced, and the treatment process is optimized.
Owner:SHAANXI JINKE ENVIRONMENTAL PROTECTION ENG CO LTD

A clarifier for black and odorous water body and a preparation method and application thereof

This invention provides a clarifier for black and odorous water bodies, its preparation method, and its application. The preparation method includes the following steps: thoroughly mixing a polyacrylamide solution with a carrier at a mass ratio of polyacrylamide to carrier of 1:99 to 5:95; granulating, drying, grinding, and sieving to obtain a solid; and compounding the solid with the carrier to obtain the clarifier for black and odorous water bodies. The carrier is one or more of bentonite, diatomite, and kaolin that has passed through a 200-mesh sieve. In this invention, fine particles such as bentonite, diatomite, and kaolin are added to the prepared low-concentration polyacrylamide solution. After thorough mixing, granulation, drying, and grinding, the polyacrylamide forms a thin film on the surface of the bentonite, diatomite, and kaolin, which can be quickly dissolved in water. Therefore, the clarifier for black and odorous water bodies provided by this invention does not require pre-dissolution and can be directly added as dry powder to wastewater, making it more convenient and cost-effective.
Owner:JIANGSU FEYMER TECH

A granular activated carbon (GAC) reactivation waste product enhanced activated sludge system for removing per-and polyfluoroalkyl substances (PFAS) from a flow of wastewater and / or landfill leachate

A granular activated carbon (GAC) reactivation waste product enhanced activated sludge system for removing PFAS from a flow of wastewater and / or landfill includes at least one bioreactor including biomass to receive the feed water and to promote growth of biological flocs, and an impregnation subsystem to receive a flow of biomass and a predetermined amount of GAC reactivation waste product and to blend the biomass with the GAC reactivation waste product to form GAC reactivation waste product-impregnated biological flocs. The impregnation subsystem outputs a flow of GAC reactivation waste product-impregnated biological flocs to the bioreactor such that the GAC reactivation waste product-impregnated biological flocs in the bioreactor adsorb to and remove the PFAS from the treated water, and the bioreactor outputs a flow of GAC reactivation waste product-impregnated biological flocs and treated water. The system also includes at least one secondary clarifier coupled to the bioreactor which separates the GAC reactivation waste product-impregnated biological flocs from the wastewater and / or landfill leachate and produces a flow the treated water.
Owner:EMERGING COMPOUNDS TREATMENT TECHNOLOGIES INC

Water supply and drainage sewage clarification device

The utility model discloses a water supply and drainage sewage clarification device which comprises an inner cylinder and an outer cylinder, a sedimentation assembly is installed at the bottom of the inner cylinder and the bottom of the outer cylinder, the sedimentation assembly comprises a first conical hopper and a second conical hopper, a deslagging assembly is installed on the inner side of the first conical hopper and the inner side of the second conical hopper, and the deslagging assembly comprises a discharging valve and an inclined baffle. The water supply and drainage sewage clarification device comprises an inner barrel and an outer barrel, an inlet and outlet assembly is installed on the inner barrel and the outer barrel, the inlet and outlet assembly comprises an inlet pipe and an outlet pipe, valve assemblies are installed on the inner barrel and the outlet pipe, and each valve assembly comprises a valve and an electromagnetic valve. The situation that solids with low settling speed cannot be effectively settled due to interference of water flow is avoided, the solid-liquid separation effect is guaranteed, the situation that sewage generates large impact force in the outer barrel is avoided, settled sludge is further prevented from being mixed with the water flow, the inclined baffle is used for forming isolation at the bottoms of the outer barrel and the inner barrel, and the separation efficiency is improved. The device is suitable for sewage clarification operation of water supply and drainage projects.
Owner:山东金呈阳建设工程有限公司

Wastewater treatment system and method

The invention discloses a wastewater treatment system and method, and belongs to the technical field of wastewater treatment methods, the wastewater treatment system comprises: a wastewater buffer module for buffering wastewater; the evaporation and concentration module comprises a concentration tower and a clarifier, and the buffered wastewater flows into the concentration tower and forms spray-shaped wastewater; the concentration tower also absorbs the flue gas and exchanges heat with the spray-shaped wastewater, water vapor generated by the wastewater is discharged from the concentration tower, the generated concentrated solution flows into a clarifier, and the clarifier performs solid-liquid separation on the concentrated solution to obtain supernate and sludge; the drying and curing module comprises a drying tower, the drying tower receives the supernate and also absorbs the flue gas for heat exchange, mixed gas generated by the supernate is reconverged into the flue gas and circularly enters the concentration tower, and generated solids are discharged from the drying tower. The evaporation and concentration module and the drying and curing module are combined for repeated absorption, so that the effects of deep decrement and thorough curing are achieved.
Owner:HUANENG GANSU ENERGY DEVELOPMENT CO LTD 803 BRANCH

A system and method for electrochemical softening and disinfection of wastewater using flue gas CO2

PendingCN122325033AChemical treatmentFlue gas
The application provides a system and method for treating wastewater by using flue gas CO2 and electrochemical dehardening and sterilization, wherein the system comprises an electrochemical treatment device, an ultrasonic descaling device, a conical sedimentation tank and a flue gas treatment device. The electrochemical treatment device is internally provided with a cathode and an anode; the ultrasonic descaling device is installed in the electrochemical treatment device; the conical sedimentation tank is located below the electrochemical treatment device, and is internally provided with an inclined tube clarifier and is provided with a residue discharge port at the bottom; and the flue gas treatment device comprises a flue gas pipe and a fan, the flue gas pipe is connected to the fan and extends into the lower part of the electrochemical treatment device, and a plurality of aeration holes are formed in the wastewater contact section of the flue gas pipe. The system can quickly and efficiently supplement CO3 2‑ in the wastewater on the one hand, and can maintain the water quality of the electrochemical treatment system in weak acidity, so that a high concentration of HClO is generated in the water, thereby having a significant sterilization effect. 2+ The system can improve the Ca 2+ and Mg precipitation removal effect of the wastewater, and can maintain the water quality of the electrochemical treatment system in weak acidity, so that a high concentration of HClO is generated in the water, thereby having a significant sterilization effect.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD +2

Oil discharge device of clarifier

The utility model relates to oil discharge of a clarifier, in particular to an oil discharge device of the clarifier. The waste water utilization rate is increased, the working intensity of workers is remarkably reduced, and the working environment safety of the workers is improved. The clarifier comprises a clarifier body and an oil discharger device. The clarifier body comprises a clarifier shell and a water storage tank located in the clarifier shell. The oil discharger device comprises an oil discharger shell with an open bottom, the upper part of the oil discharger shell is exposed out of the top of the clarifier, and the lower part of the oil discharger shell is inserted into a certain depth below the liquid level of the water storage tank. The utility model relates to oil discharge of a clarifier, in particular to an oil discharge device of the clarifier. The waste water utilization rate is increased, the working intensity of workers is remarkably reduced, and the working environment safety of the workers is improved. The clarifier comprises a clarifier body and an oil discharger device. The clarifier body comprises a clarifier shell and a water storage tank located in the clarifier shell. The oil discharger device comprises an oil discharger shell with an open bottom, the upper part of the oil discharger shell is exposed out of the top of the clarifier, and the lower part of the oil discharger shell is inserted into a certain depth below the liquid level of the water storage tank.
Owner:WUHAI BAOGANG WANTENG STEEL CO LTD

Calcium removal treatment method and system for circulating water of thermal power plant

The invention discloses a thermal power plant circulating water calcium removal treatment method and system.The thermal power plant circulating water calcium removal treatment method comprises the steps that 1, reservoir water enters a crystallization granulation bed and reacts with seed crystal and alkali in the crystallization granulation bed to generate calcium carbonate particles; 2, the pH value in the crystallization granulation bed is controlled to be 10.1-10.6, so that the calcium hardness range of effluent of the crystallization granulation bed is 1.5 mmol / L to 1.0 mmol / L; step 3, discharging the calcium carbonate particles from the bottom of the crystallization granulation bed, carrying out solid-liquid separation, applying the discharged particles to a desulfurization system, and discharging water from the crystallization granulation bed to an efficient clarification tank; 4, coagulation and clarification treatment is conducted on effluent of the crystallization and granulation bed through an efficient clarification tank; 5, the efficient clarification tank is communicated with the circulating water tower forebay through a water outlet main pipe, a make-up water and sulfuric acid adding pipeline is arranged, and the make-up water and sulfuric acid adding pipeline is communicated with the water outlet main pipe. The thermal power plant circulating water calcium removal treatment method can reduce the hardness of the effluent and improve the concentration ratio of the circulating water.
Owner:TIANJIN GUOHUA PANSHAN POWER

Method for recycling sludge

The invention discloses a method for recycling sludge. The method comprises the following steps: conveying low-phosphorus sewage in a water distribution tank and calcium hydroxide emulsion in a first lime emulsion tank to a first reaction tank for precipitation; after precipitation, feeding the sewage into a clarification tank, and adding a flocculant for secondary precipitation; sludge is collected and sent to a sludge concentration tank, and supernate and concentrated sludge containing calcium hydroxide are obtained; treating the supernate through a first neutralizing tank, a softening tank, a second neutralizing tank and an intermediate water tank in sequence; and the concentrated sludge is sent to a second lime emulsion tank of the second sewage treatment system as a calcium hydroxide supply source. The method can reduce sludge discharge, relieve filling contradiction, recover effective calcium hydroxide in the sludge, reduce medicament cost, improve system collaboration and efficiency, and realize cost reduction, efficiency improvement and resource circulation of sewage treatment.
Owner:GUIZHOU KAILIN GRP CO LTD

Biofilm process integrated sewage treatment device

The utility model provides a biofilm process integrated sewage treatment device. The biofilm process integrated sewage treatment device comprises an anoxic reaction assembly, a pipeline communication assembly, a convection reactor and a sedimentation clarification tank, the anoxic reaction assembly is connected with the convection reactor through the pipeline communication assembly, and the convection reactor is communicated with the precipitation clarification tank through the siphon pipeline assembly; the bottom of the high-level water tank is arranged above the convection reactor, one end of the siphon pipeline assembly is arranged in the convection reactor, and the other end of the siphon pipeline assembly is arranged in the sedimentation clarification tank. The fluidized filler is filled in a partitioned manner, so that the fluidization effect is achieved, and the problems that the filler is easy to block and integrally gathers and escapes in the existing SBBR and MBBR processes are effectively solved.
Owner:TIANJIN WATER ENG CO LTD

Coal-fired power plant high-low brine advanced treatment and recycling system based on ion replacement concentration technology

The utility model provides a coal-fired power plant high-low salt water advanced treatment and recycling system based on an ion replacement concentration technology. Reverse washing water of a fine treatment iron and manganese removal filter, low salt water of mixed bed regeneration wastewater and high salt water of bed regeneration wastewater are fed into an industrial wastewater storage pool to be stored so as to realize quality-divided recovery; an automatic valve is arranged at an outlet of each industrial wastewater storage pool, and different dosing modes and retention time are adopted; as the industrial wastewater is finally recycled to a desulfurization system, acid and alkali do not need to be added into a final neutralization tank; low-salt water obtained after industrial wastewater treatment enters an iron and manganese removal filter for secondary removal of iron and manganese influencing operation of a desulfurization system, and is finally recycled to the desulfurization system; the mixed bed regeneration wastewater high-salinity water is discharged to a desulfurization wastewater clarification tank and treated together with desulfurization wastewater through ultrafiltration and IRCT systems, and treatment of the high-salinity water and recycling of water resources are achieved; and backwashing process treatment is regularly realized according to different water qualities.
Owner:GUONENG LANGXINMING NANJING ENVIRONMENTAL PROTECTION TECH CO LTD

Self-cleaning kitchen fume purifier

The utility model discloses a self-cleaning type kitchen oil fume purifier which comprises a box body, an air inlet, an air outlet, an oil fume exhaust pipe, an oil fume exhaust pipe, an oil fume exhaust pipe, an oil fume exhaust pipe and an oil fume exhaust pipe, the filtering mechanism comprises a shell and a filtering layer, the shell is arranged in the box body and is close to the air inlet, a plurality of air inlet holes are formed in the air inlet side of the shell, a plurality of air outlet holes are formed in the other side of the shell, each air outlet hole is correspondingly provided with a condensation pipe, an outlet of each condensation pipe faces downwards, the filtering layer is arranged in the shell, and the filtering layer is arranged in the shell. The filter layer is formed by stacking irregular flexible coils; the spraying mechanism is correspondingly arranged above the filtering layer and is used for cleaning the filtering layer; and the exhaust mechanism is arranged in the box body and is close to the air outlet. The purifier disclosed by the utility model can be used for effectively treating oil fume and reaches the oil fume emission standard. And frequent disassembly for maintenance or cleaning is not needed, so that time and labor are saved. If maintenance is needed, only the filter layer needs to be replaced, and the maintenance cost is low.
Owner:GUANGXI LANBAOJIAYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Intensive treatment system for tail water of aquaculture pond

The application discloses a breeding pond tail water intelligent intensive treatment system, which comprises a comprehensive sedimentation tank used for receiving breeding tail water discharged from a fish pond for first-time sedimentation treatment, and is provided with a first sludge discharge pipe communicated with a shore base at the bottom; second-time tail water enters an intensive biochemical purification tank used for receiving upper clear water after first-time sedimentation treatment of the comprehensive sedimentation tank. The application provides a breeding pond tail water intelligent intensive treatment system, after first-time sedimentation and filtration treatment of the comprehensive sedimentation tank, the tail water enters the intensive biochemical purification tank for further treatment, so that organic pollutants, phosphorus, nitrogen and heavy metals in the sewage can be effectively removed, and the treated water after second-time sedimentation of the tail water in a clarifier can be used for farmland irrigation and breeding fish pond recycling. The system strengthens purification of organic pollutants and nitrogen removal of the fish pond tail water, improves fish pond tail water purification efficiency, and reduces occupation of the fish pond area.
Owner:ZHONGSHAN ENVIRONMENTAL PROTECTION RES INST CO LTD

Gypsum preparation equipment based on desulfurization sludge

The invention discloses gypsum preparation equipment based on desulfurization sludge, and belongs to the technical field of wet desulfurization waste disposal. Comprising a desulfurization wastewater clarification tank, one end of the desulfurization wastewater clarification tank is connected with a flow guide pipe and a discharging pipe, the free end of the flow guide pipe is connected with a process water source warehouse, the free end of the discharging pipe is connected with a first conveying pipe and a second conveying pipe, and the first conveying pipe and the second conveying pipe are both communicated with a sludge conveying pump. The free end of the first conveying pipe and the free end of the second conveying pipe are jointly connected with a discharging pipe, the discharging pipe is connected with a second connecting pipe and a first connecting pipe, one end of the first connecting pipe is connected with a desulfurized sludge centrifugal dehydrator, and a sludge hopper is arranged at an output port of the desulfurized sludge centrifugal dehydrator. The free end of the second connecting pipe is connected with a gypsum cyclone underflow pot, the input end of the gypsum cyclone underflow pot is connected with a gypsum slurry source warehouse, the output end of the gypsum slurry source warehouse is provided with a vacuum belt dehydrator, and one end of the vacuum belt dehydrator is provided with a gypsum warehouse.
Owner:TIANJIN SDIC JINNENG ELECTRIC POWER