92 results about "Clarifier" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

This invention relates to a method and system for treating interface contaminants in a mixing and clarification tank, belonging to the field of nuclear fuel reprocessing. The method involves conveying interface contaminants to the final stage mixing and clarification tank via top-tank operation, separating the organic phase, and then returning the liquid containing interface contaminants from the final stage mixing and clarification tank to the organic phase inlet of the first stage mixing and clarification tank. The interface contaminants are dispersed by the agitation of the pump impeller within the mixing and clarification tank, thereby redissolving radioactive materials in the liquid. This invention utilizes in-situ treatment of interface contaminants and recovery of radioactive elements in a mixing and clarification tank, significantly reducing the accumulation of radioactivity in interface contaminants, mitigating radiation damage from organic solvents, and is simple to operate without requiring additional treatment equipment.

The utility model relates to a septic tank sewage lifting integrated structure, relates to sewage treatment field, including three format septic tank, three format septic tank includes the first stage sedimentation fermentation tank, secondary filter tank, third stage clarifier that set up in turn from water inlet to water outlet. Secondary filter tank or third stage clarifier is equipped with independent water collecting well. When water collecting well is arranged in third stage clarifier, water collecting well is the open structure with the right pool wall of third stage clarifier, and water collecting well includes front wall, back wall, left wall, the right pool wall of third stage clarifier and bottom wall; bottom wall is connected in the middle part of the right pool wall of third stage clarifier; the top of water collecting well wall is higher than the conventional water level of third stage clarifier. Solve the problem that septic tank's discharge port position is higher than the access point of municipal pipe network or sewage channel in mountainous area or the place where sewage channel water pump is very high, and sewage discharge is inconvenient; simultaneously solve the problem that when the water quantity handled by septic tank suddenly increases, sludge will flow to municipal with sewage, and sludge deposition in municipal pipe increases.

The invention discloses a circulating water treatment system and method for preventing blockage of a spunlace needle head in regenerated leather production. Wastewater generated in the spunlace reinforcement process is sequentially subjected to water collection sedimentation, screen filtration, air floatation treatment and refined filtration treatment and then enters a clarification tank, reuse water is obtained and subjected to terminal purification and then enters the spunlace reinforcement process again, and a saponification-sedimentation-neutralization integrated treatment process is further included between the air floatation treatment and the refined filtration treatment. The process is realized through a saponification-precipitation-neutralization integrated facility, the integrated facility comprises a first group of integrated treatment units and a second group of integrated treatment units which are arranged in parallel and are switched and controlled through valves, and the two groups of integrated treatment units alternately perform the processes of water feeding, saponification, precipitation, sludge discharge, neutralization, water drainage and standing so as to realize continuous operation. A simple and feasible saponification technical route is provided on the basis of the inherent reason of frequent blockage of a spunlace device for production of regenerated leather, and the problem that a spunlace needle head is blocked due to long-term reuse of circulating water is solved.

The utility model provides a solvent extraction clarification chamber suspension three-phase dirt extraction device, which comprises a floating frame, a support cross beam, a three-phase matter extractor and a liquid level adjusting mechanism, a sealed buoyancy cavity is arranged in the floating frame, and the support cross beam is connected in the middle of the floating frame; the three-phase substance extractor is provided with an extraction pipeline, and the suction end of the extraction pipeline is arranged below the supporting cross beam; the liquid level adjusting mechanism is arranged on the movable cross beam and is connected with the extraction pipeline, so that the suction end of the three-phase substance extractor is adjusted to different depths through the liquid level adjusting mechanism, and interphase and bottom three-phase pollutants in the clarifying chamber are extracted. The extraction device provided by the utility model can be used for comprehensively and accurately extracting three-phase dirt on the phase interface and the bottom in the extraction clarification chamber without omission, is simple and convenient to operate, reduces the complexity and time consumption of repeated manual salvage, and improves the safety of cleaning work.

The utility model discloses a clarifying machine with an anti-blocking discharge structure, which relates to the technical field of clarifying machines and comprises a base, a separation barrel fixedly mounted at the top of the base, a water injection component arranged on the base and a closing component arranged in the separation barrel. The driving assembly drives a separation assembly; the driving assembly is composed of a mounting shell, a driving motor, a connecting rod and a water inlet; the top of the inner wall of the mounting shell is fixedly connected with a driving motor, the outer wall of the output end of the driving motor is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is fixedly connected with the outer wall of the water inlet. According to the utility model, through the arrangement of the separation assembly, dirty liquid is separated while liquid is fed, the working efficiency is improved, separated liquid can be injected into the central shaft while the central shaft is driven by the driving motor to rotate, and meanwhile, the rotary drum can rotate along with the central shaft to separate the separated liquid.

The utility model relates to the technical field of centrifugal clarification devices, and discloses an anti-screen blockage type high-speed centrifugal clarification device, which is used for centrifugally clarifying condensed coffee liquid or tea liquid and other extraction liquids, and comprises a supporting bottom plate and a supporting seat at the top end of the supporting bottom plate, a high-speed centrifugal clarification equipment main body for carrying out centrifugal clarification on condensed coffee liquid or tea liquid and other extraction liquid is arranged in the supporting seat; the top end of the high-speed centrifugal clarification equipment main body is provided with an adjusting feeding mechanism and a knocking anti-blocking mechanism for knocking the high-speed centrifugal clarification equipment main body to avoid entanglement of macromolecules in extract liquor such as condensed coffee liquid or tea liquid and the like. According to the high-speed centrifugal clarification device capable of preventing the screen from being blocked, the communicating caliber between the first feeding pipe and the second feeding pipe can be adjusted by opening the first motor, the driving gear and a series of mechanical transmissions, and effective control over the amount of condensate entering the high-speed centrifugal clarification device body is achieved. And small particles can be effectively prevented from being gathered to block the screen.

The invention provides a rare-earth-based environment-friendly clarifying agent and a preparation method thereof.The method comprises the steps that S1, CeO2 and Y2O3 are ground and mixed to be uniform, and composite rare earth oxide powder is obtained; s2, uniformly mixing the obtained composite rare earth oxide powder, SiO2, Al2O3, CaO, MgO, Na2O and K2O, ball-milling and mixing, pre-sintering the basic powder, cooling, and crushing to obtain a pre-sintered material; s3, SnO2, Sb2O3 and a pore forming agent are added into the pre-sintered material, ball milling and mixing are conducted, and mixed powder is further pressed into a blank; s4, performing high-temperature sintering, cooling and crushing on the blank body to obtain a clarifying agent precursor; and S5, coating the surface of the clarifying agent precursor with a SiO2 nano film by adopting a sol-gel method to obtain the rare-earth-based environment-friendly clarifying agent. According to the clarifying agent, through non-bridge oxygen combination of rare earth ions and a glass network, the network polymerization degree is enhanced, the mechanical strength of glass is improved, and energy saving and mechanical properties are both considered.

The utility model relates to water treatment technical field especially relates to a vertical flow precipitator water quality clarifier. Its technical scheme includes: jar body, center tube and spoiler, the outer wall of jar body is equipped with support assembly, the inner wall upper end of jar body is equipped with inner ring, the center tube is equipped at the center position of jar body, the bottom of center tube is equipped with unpowered water distribution component, and unpowered water distribution structure utilizes the water inlet kinetic energy drive autorotation for even water distribution, the spoiler is equipped in the just below of unpowered water distribution structure, and the spoiler is used for disturbing water flow direction. The utility model can effectively convert axial water flow into tangential component, promotes water flow to enter the flow channel, and the action of centrifugal force makes water flow even distribution, forms radial water flow, and due to the even water distribution of water flow, the water flow distribution of precipitation area is optimized, and the suspended particles can be more evenly settled on the full section, and meanwhile, the external power is not needed to drive, keeps good water flow distribution effect and reduces the energy consumption.

The utility model belongs to the field of chemical engineering, and discloses a desulfurization wastewater zero discharge treatment system, which comprises a wastewater inlet pipe, a multi-stage overflow tank and a clarification tank which are connected in sequence, an overflow port of the clarification tank is connected with a water tank, the water tank is used for providing water to an evaporation crystallizer, the evaporation crystallizer is used for concentrating and crystallizing inorganic salt in the water, and the evaporation crystallizer is used for crystallizing the inorganic salt in the water. A solid discharge port of the evaporation crystallizer is connected with a dehydration dryer; a steam outlet of the crystallizer is connected with a condenser; a middle water tank is arranged between the water tank and the evaporation crystallizer; water in the middle water tank serves as a cold source of the condenser, and the water tank is connected to a waste water inlet pipe through a backflow pipeline and a pump. According to the system, the water tank and the middle water tank are adopted, if water in the water tank does not reach the standard, the water flows back to the waste water inlet pipe, the middle water tank can serve as a buffer, the situation that no water is available for the evaporation crystallizer when the water in the water tank is not qualified is avoided, and in addition, waste heat utilization is conducted on water in the condenser, and the energy consumption of the evaporation crystallizer can be reduced.

The present application relates to flue gas denitration technical field, specifically to a kind of denitration catalytic filter bag's cleaning regeneration device and working method, the device includes water tank, liquid preparation tank, filter, delivery pump, ultrasonic cleaner, waste liquid pump, clarifier and liquid return pump connected in sequence by pipeline, the outlet of liquid return pump is connected with the recovery liquid inlet of liquid preparation tank, the liquid outlet of liquid preparation tank is connected with the liquid outlet inlet of clarifier, liquid preparation tank outlet valve and liquid supplement valve are arranged in sequence on the pipeline between delivery pump and the bottom inlet of ultrasonic cleaner, the top outlet of ultrasonic cleaner is connected with the inlet of external electric heater, the pipeline between liquid preparation tank outlet valve and liquid supplement valve respectively, the outlet of external electric heater is connected with circulating pump, the outlet of circulating pump is connected with output valve, the outlet of output valve is connected with the bottom inlet of ultrasonic cleaner.The denitration catalytic filter bag's cleaning regeneration device of the present application can realize catalytic filter bag recycling, prolong the service life of catalytic filter bag, reduce the operation cost of flue gas purification.

The utility model provides a limestone-gypsum method desulfurization wastewater integrated treatment device which comprises an efficient concentration clarifier body, an efficient reactor is installed at the top of the efficient concentration clarifier body, a wastewater inlet pipe, a chemical hopper and a stirrer are installed at the top of the efficient reactor, and a chemical feeder is installed on the outer side surface of the chemical hopper. A blanking pipe is arranged between the high-efficiency reactor and the high-efficiency concentration clarifier main body, an inclined pipe precipitator and a baffle plate precipitator are arranged in the high-efficiency concentration clarifier main body, a sludge hopper is arranged at the bottom of the high-efficiency concentration clarifier main body, and a clear water pipe is arranged on the high-efficiency concentration clarifier main body; when wastewater is treated, clear water and sludge can be separated, the wastewater treatment process is greatly simplified, the investment cost and the operation cost are further saved, actual popularization is facilitated, large-particle impurities which are not completely precipitated can be intercepted through the arranged overflow grating, and solid particles are prevented from flowing out of the clear water pipe along with the clear water.

The utility model provides a coal-fired power plant high-low brine advanced treatment and recycling system which comprises an industrial wastewater storage pool, wherein water outlets of the industrial wastewater storage pools are connected with a main water outlet pipe through automatic valves, and the main water outlet pipe is sequentially connected with the PH adjusting tank, the reaction tank, the flocculation tank, the clarifier, the clean water pool and the final neutralization pool through a first lifting pump; the mixed bed regeneration wastewater high-salinity water is sequentially fed into a multi-medium filter for filtration, a self-cleaning filter, an ultrafiltration device and an ultrafiltration water tank through a lifting pump II and is fed into an ultraviolet sterilizer through a lifting pump III, and a water outlet of the ultraviolet sterilizer is connected with a security filter; a water outlet of the security filter is connected with the reverse osmosis device through a high-pressure pump; a fresh water outlet on the reverse osmosis device is connected with a fresh water tank and a concentrated water outlet is connected with a concentrated brine tank. According to the utility model, backwashing water and low-salt water are directly recycled to a desulfurization system after being filtered by the iron and manganese removal filter. And the mixed bed regeneration wastewater high-salinity water is discharged and treated by seawater reverse osmosis, so that recycling is achieved.

A rinsing method (100) for a non-food-use piping system in a building (50), the method (100) being characterized in that it comprises the following steps: a) injection (110) of water through an inlet point of the system to perform a first rinse, b) recovery (120) of the water after the first rinse through an outlet point of the system, c) filtration (130) of the recovered water by passing it - through (132) a first filter called a mechanical filter (6), then - through (134) a second filter called a clarifier (8), d) reinjection (140) of the filtered water into the inlet point of the system to perform a second rinse. Figure 2

This invention relates to a method and treatment plant for obtaining vinasse from the tequila industry that meets the maximum permissible parameters established by NOM-001-SEMARNAT-1996 for use in agricultural irrigation. The treatment method comprises a combination of different physical, chemical, and biological treatment stages, as described below: 1) Screening system using fine mesh screens, 2) Primary clarifier, 3) Neutralization tank with lime, 4) Upflow anaerobic sludge blanket (UASB) reactor with recirculation, 5) UASB effluent storage tank, 6) Aerobic biofilter packed with organic material, 7) Biofilter effluent storage tank, 8) Fenton agent reaction tank with FeSO4 and H2O2 dosing systems, and 9) Clearer. The connection between the different systems is made using piping.

The utility model belongs to the field of clarifiers, and particularly discloses a clarifier which comprises a barrel and a central downcomer arranged in the barrel, and the central downcomer sequentially comprises an air separation section, a transition section, a downcomer middle section and a water distribution section from top to bottom; the longitudinal section of the transition section is trapezoidal, and the diameter is gradually reduced; the longitudinal section of the water distribution section is trapezoidal, the diameter of the water distribution section is gradually increased, and the maximum diameter of the water distribution section is at least twice the diameter of the air separation section. According to the scheme, the structure of the central downcomer is improved, the design of the variable pipe diameter is combined, and the design characteristics that the pipe diameter is reduced or suddenly and greatly increased and the like are utilized, so that the sludge settling effect is ensured; meanwhile, the end part of the water distribution section is arranged to be saw-toothed, so that the mud-water separation effect is enhanced; besides, in combination with the design of the sludge return pipe, the contact between the sludge is increased, the flocculation effect between the sludge is realized through the funnel, and the flocculated sludge is high in precipitation speed and good in precipitation effect, so that the stable effluent quality is ensured.

The application discloses a flue gas desulfurization wastewater treatment equipment and relates to the technical field of flue gas desulfurization wastewater treatment. The equipment comprises a control cabinet and a neutralization reaction tank, a chelation flocculation reaction tank, an efficient clarifier, a softening reaction tank, a membrane concentration equipment and a water production tank electrically connected to the control cabinet. The control cabinet determines the micro-floc active site density in the neutralization stage based on the coupling of pH value, stirring intensity, water heavy metal and suspended solids. The control cabinet determines the micro-floc chelation saturation in the chelation reaction stage based on the coupling of organic sulfur dosage, oxidation-reduction potential and micro-floc active site density. The control cabinet determines the site regeneration regulation coefficient in the clarification stage based on the coupling of sludge layer height, sludge concentration and micro-floc chelation saturation. The coefficient reversely acts on the pH value and stirring intensity control of the neutralization reaction tank. The application realizes the quantitative characterization and multi-process linkage optimization of the desulfurization wastewater treatment process, improves the heavy metal removal efficiency and reduces the reagent consumption and operation cost.

The present application relates to copper electrolyte purification waste gas treatment technical field, especially to a kind of high-efficiency environmental protection removal method of arsine in copper electrodeposition tank surface waste gas.The method adds a certain concentration of waste electrolyte into flue gas spray liquor according to certain proportion, promotes arsine in copper electrodeposition tank surface waste gas and copper sulfate in spray liquor to react in spray tower, then the reaction product is clarified and separated in clarifier.Supernatant flows into clean water pool, after supplementing a certain amount of waste electrolyte, sulfuric acid and water, it is pumped into spray tower for recycling.The method effectively utilizes copper element in waste electrolyte, efficiently removes and recycles most of arsine in copper electrodeposition tank surface waste gas, and resources it as a semiconductor material, which not only solves the pollution of arsine to the environment, reduces the environmental protection risk of enterprise, but also greatly improves the economic and environmental protection benefit of enterprise.