453results about "Water distributers" patented technology

A sewage treatment system based on aerobic granular sludge is disclosed, which includes a sewage treatment tank (1), a water distribution and aeration integrated mechanism and a water distribution and aeration switching control mechanism. The sewage treatment tank (1) includes a tank body (11), a top cover (13) is fixedly connected to a top opening of the tank body (11), and a clear water overflow port is arranged at a top side of the tank body (11). The water distribution and aeration integrated mechanism includes a first slip ring (21), a limit water retaining sleeve (220) is fixedly connected to an inner bottom of the tank body (11) through a water retaining sleeve mounting assembly, and a mixing section (212) of a water distributor body is vertically and slidably connected in the limit water retaining sleeve (220).

An underdrain filtered water collection system includes: a pair of opposing drainpipes, each drainpipe having a plurality of collection drains; and a diffuser screen. The diffuser screen can slide within an outlet in each of the collection drains. A diffuser screen for a pressure vessel containing filter media includes: a screen pipe; a solid plate coupled to a base of the screen pipe; and a winged diffuser arranged around an outer circumference of the solid plate. The winged diffuser includes a plurality of foldable wings. The screen pipe includes a mesh screen having preconfigured interstices therethrough. Feed water flows through the screen pipe where it is directed by an inner surface of the solid plate to flow in a diffused flow through the interstices of the mesh screen and the wings.

Provided is a wastewater treatment method capable of reducing the amount of industrial waste by mixing concentrated wastewater with wastewater and treating the resulting mixture, and a method for accurately estimating the wastewater load at the wastewater inlet of a wastewater treatment facility that treats a mixture of wastewater and concentrated wastewater. [Solution] A wastewater load at a wastewater treatment inlet of a wastewater treatment facility that treats a mixed liquid formed by merging wastewater and concentrated wastewater is estimated by measuring a first pollution load of the wastewater, estimating a pollution load originating from the wastewater at a confluence of the wastewater and concentrated wastewater or a specified position downstream thereof based on the first pollution load, measuring a second pollution load of the concentrated wastewater, estimating a pollution load of the concentrated wastewater at the confluence or the specified position based on the second pollution load, and estimating the wastewater load based on an estimated value of the pollution load originating from the wastewater and an estimated value of the pollution load of the concentrated wastewater at the confluence or the specified position.

A system for reconditioning contaminated water includes a plurality of filter tanks, each filter tank configured to hold a media mixture comprising media particles to which contaminants adhere when the contaminated water is pumped through the filter tanks and a feed water pump to pump the contaminated water through the plurality of filter tanks. The plurality of filter tanks are configured to form a multistage filter system for filtering the contaminated water at different contaminant particle sizes, and the feed water pump pumps the contaminated water through the multistage filter system in a continuous manner during a normal filtering mode.

An underdrain system for a media pressure vessel has a set of removable pipe sections located between an external header and the bottom of a vessel. Septa extend upwards from the removable pipe sections into the vessel. The header is attached to the bottoms of the removable pipe sections. To clean the vessel, the pipe sections are removed. While a pipe section is removed, its associated septum is removed so that solids can be removed from the annulus between the septum and the vessel. In this way, media can be cleaned from the annuli without moving the external header or entering the vessel. A cleaning mechanism includes an elongated member with a spray nozzle that may be moved within the vessel. The cleaning mechanism may be used to removed media adhered to the walls of the vessel, for example while the septa are removed.

The invention discloses a simple anaerobic bioreactor, which relates to the technical field of environmental bioengineering, and comprises a cover plate, a reaction bin, a water inlet pipe, a fixed bin, a sealing cover, a fixed pipe and a nozzle, the suction bin is coaxially and rotatably connected to the lower end face of the sealing cover, the lower end of the suction bin slidably penetrates out of the bottom of the fixed bin, a suction unit is arranged in the suction bin, and the suction unit alternately communicates with the multiple fixed pipes when the suction bin rotates and generates suction acting force to the interiors of the fixed pipes communicating with the suction unit. According to the device, the suction unit is arranged, so that percolate and impurities in the multiple nozzles and the fixed pipe can be alternately sucked, the nozzles cannot be blocked, and then the sucked percolate and impurities can fall into anaerobic sludge in the reaction bin through the suction bin; and the phenomenon of large local spraying quantity difference caused by blockage of a plurality of nozzles is avoided.

An underdrain filtered water collection system includes: a pair of opposing drainpipes, each drainpipe having a plurality of collection drains; and a diffuser screen. The diffuser screen can slide within an outlet in each of the collection drains. A diffuser screen for a pressure vessel containing filter media includes: a screen pipe; a solid plate coupled to a base of the screen pipe; and a winged diffuser arranged around an outer circumference of the solid plate. The winged diffuser includes a plurality of foldable wings. The screen pipe includes a mesh screen having preconfigured interstices therethrough. Feed water flows through the screen pipe where it is directed by an inner surface of the solid plate to flow in a diffused flow through the interstices of the mesh screen and the wings.

The invention discloses a parallel water path system and an effluent TDS active control method, the parallel water path system comprises a first water path, a second water path and a water mixing path, and the first water path and the second water path are connected in parallel and then connected with the water mixing path in series; the first water path comprises a first water pump, an RO filtering device and a first water outlet end which are connected in sequence; the water outlet side of the first water pump is provided with a first pressure detection interface; the second water path comprises a second water pump and a second water outlet end which are sequentially connected; the water outlet side of the second water pump is provided with a second pressure detection interface; the first water outlet end and the second water outlet end converge and serve as the water inlet end of the water mixing waterway, and the water outlet end of the water mixing waterway serves as the water mixing outlet end. A first pressure detection device is used for detecting the water pressure P1 of the water outlet side of the first water pump, and the water pressure P1 is controlled to be within a preset first range; detecting the water pressure P2 of the water outlet side of the second water pump by using a second pressure detection device; and controlling the water pressure P2 to be within a preset second range. According to the invention, a stable and accurate mixed water outlet TDS value can be maintained.

An underdrain system for a media pressure vessel has a set of removable pipe sections located between an external header and the bottom of a vessel. Septa extend upwards from the removable pipe sections into the vessel. The header is attached to the bottoms of the removable pipe sections. Each pipe section, and its associated septum, may be removed individually. To clean the vessel, after media is removed from the vessel the pipe sections are removed sequentially while the header remains otherwise attached to the vessel. While a pipe section is removed, its associated septum is removed so that solids can be removed from the annulus between the septum and the vessel. In this way, media can be cleaned from the annuli without moving the external header or entering the vessel.

A system for reconditioning contaminated water includes a plurality of filter tanks, each filter tank configured to hold a media mixture comprising media particles to which contaminants adhere when the contaminated water is pumped through the filter tanks and a feed water pump to pump the contaminated water through the plurality of filter tanks. The plurality of filter tanks are configured to form a multistage filter system for filtering the contaminated water at different contaminant particle sizes, and the feed water pump pumps the contaminated water through the multistage filter system in a continuous manner during a normal filtering mode.

The invention discloses a thermal gradient temperature control type membrane distillation treatment device for industrial wastewater, relates to the technical field of wastewater treatment, and aims to solve the problems that the fluid resistance of a local area is increased in the membrane distillation process, and the separation and purification effect is poor as the temperature difference between the two sides of a membrane is smaller than the fluid temperature difference. The membrane distillation device specifically comprises a membrane shell and water distribution assemblies arranged in the membrane shell and is mainly applied to the membrane distillation treatment process of industrial wastewater, the water distribution assemblies are synchronously arranged on the water inlet side and the water outlet side of the wastewater, the flow direction of the wastewater is changed through tangential grooves and vertical grooves in the water distribution assemblies, and the fluid resistance of a local area in a concentration boundary layer is weakened; and secondary flow guide mixed hot working media and wastewater are adopted to jointly complete cyclic distillation, and based on reduction of membrane interface local area fluid resistance and damage of membrane interface temperature and concentration polarization phenomena, the driving force of the membrane distillation process is increased, and the separation and purification effect is improved.

A combined water aeration and filtration unit (WAFU), having a tank with a vent section at a top of said WAFU and above an aeration section above a filtration section at a bottom of said WAFU. The vent section has one or more demisters and one or more vents for detraining water and providing a dry air exit from said WAFU. The air section has a water inlet ending in a spray nozzle near the top of the aeration section to turn incoming dirty water into water droplets and a forced air blower on a side or top of the aeration section for blowing air through said water droplets in rate sufficient to remove volatile organic compounds and precipitate manganese and iron. The aeration section also has one or more annular rings or partially annular baffles on an inside wall of the tank to force water from said inside wall into an interior of the tank. Thus, no water escapes aeration. A backwash collection trough and backwash water outlet are positioned above the filtration section for removing dirty backwash water from the unit. The filtration section has one or more filters therein and a drain and clean water outlet near its bottom for egress of clean water from said WAFU.

To provide a liquid circulation system capable of suppressing fluctuation in a flow rate of liquid supplied to a use point, regardless of whether or not the liquid is used at the use point.SOLUTION: A liquid circulation system includes a circulation path with supply piping that supplies liquid in a tank to a use point via a plurality of treatment parts and return piping that returns liquid from the use point to the tank, a first pump installed in the middle of the plurality of treatment parts in the supply piping, a pressure detection part installed in the return piping, an adjustment valve installed downstream of the pressure detection part in the return piping to adjust the pressure inside the return piping according to the pressure detected by the pressure detection part, a flow rate flow detection part installed between the most downstream treatment part in the supply piping and the use point to detect the flow rate of the liquid inside the supply piping, and a first pump control part that controls the first pump so that the liquid flowing in the supply piping reaches a predetermined flow rate according to the flow rate detected by the flow rate detection part.SELECTED DRAWING: Figure 1

The present invention relates to a parallel-flow filter basin for wastewater treatment, comprising a basin body (8) in which a filter bed (9) containing an adsorbent is provided, a raw water inlet assembly with a water inlet pipe (1) connected to a water distribution device (5) arranged vertically within the basin body (8), an outlet assembly for filtered water with a water outlet pipe (2) connected to a vertically oriented water collector (6), a rinsing assembly (3) for rinsing the filter bed (9), and a control system. The water distribution device (5) and / or the water collector (6) are arranged on one side of the basin body (8).The flushing assembly has an outlet opening located in the lower part of the basin body (8) and opening into the filter bed (9) at a horizontal distance from the water distribution device (5) and the water collector (6), which is connected to a compressed air source, the control being configured to introduce compressed air continuously or intermittently through the outlet opening into the filter bed (9).

The invention provides a mixed bed water distribution device for water treatment, which comprises a tank body, the top of the tank body is provided with a water inlet, a first perforated plate and a second perforated plate are sequentially arranged in the tank body from top to bottom, and a protection assembly is arranged between the first perforated plate and the water inlet and is vertical to the axis of the tank body; the protection assembly comprises an assembly ring, multiple sets of unit pieces are evenly arranged in the assembly ring along the circle center at equal angles, each unit piece comprises an installation base and a closing plate which are movably connected with each other, the installation bases are fixedly connected with the assembly ring, and reset mechanisms are arranged between the closing plates and the installation bases; a buffer control assembly fixedly connected with the first perforated plate, the second perforated plate and the protection assembly is arranged on the inner wall of the tank body. Through the arrangement of the protection assembly and the multi-stage porous plate, impact defense to transient impact water flow is achieved, and device damage and uneven water distribution are avoided.

The invention relates to the technical field of washing water treatment, and discloses a gradient type oil-solid and water pure physical separation system and method for MTO washing water.The separation system comprises a liquid inlet pipe, a liquid inlet valve and a liquid inlet pump are installed on the liquid inlet pipe, and a secondary deslagging system, a secondary oil-water separation system and a buffer water storage tank are sequentially connected to the liquid inlet pipe in the liquid inlet direction; a liquid level sensor and a backwashing system are mounted on the buffer water storage tank; the backwashing system is sequentially communicated with the secondary deslagging system and the secondary oil-water separation system; a buffer flow guide mechanism is installed at the liquid inlet end of the second-stage deslagging system, and a stepped filler assembly is installed in the second-stage deslagging system. A physical gradient separation process is adopted, step-by-step accurate removal from macroscopic particles to microscopic emulsified oil and efficient recovery of oil phase components in wastewater can be realized, the turbidity and solid content indexes of effluent are remarkably improved, and long-period continuous stable operation can be realized.

The invention provides a hydrolysis-acidification-precipitation integrated device, relates to the technical field of sewage treatment, and solves the technical problems of large occupied area and large investment cost of a hydrolysis-acidification treatment system in the prior art. The hydrolysis-acidification-precipitation integrated device comprises a tank body provided with an inner cavity; the water inlet device is used for conveying sewage needing to be treated to the bottom of the inner cavity of the tank body; the stirring device is used for mixing the activated sludge and the wastewater; the precipitation device is used for separating sludge and sewage, discharging residual sludge and automatically refluxing activated sludge into the hydrolytic acidification reaction area of the tank body; and the water outlet device is used for discharging the treated sewage. The functions of hydrolytic acidification, precipitation, automatic backflow and the like are integrated in one tank body, so that the requirement for an additional precipitation tank is reduced, the occupied area of the system is remarkably reduced, and the system is more suitable for the urban environment with shortage of land resources.

The invention relates to the technical field of water purifiers, and discloses a waterway board integrated part and a water purifier with the waterway board integrated part. The waterway board integrated part comprises a waterway board part and a bracket part provided with an electrifying device, a filter element inserting structure is arranged on one side of the waterway board part, and the filter element inserting structure is used for inserting a filter element part; the first end of the bracket part is connected to the waterway plate part, the bracket part and the waterway plate are relatively and vertically arranged, and the bracket part and the filter element inserting structure are located on the same side of the waterway plate part. The water purifier comprises a main shell and the waterway board integrated component. According to the waterway board integrated part and the water purifier with the waterway board integrated part, the waterway board part and the bracket part are integrally connected and assembled in the main shell, a middle frame and other parts do not need to be arranged in the main shell, and the waterway board integrated part is compact in structure, convenient to assemble and low in cost.

The invention belongs to the technical field of electrolytic antifouling, and particularly relates to an electrolytic antifouling device for a ship seawater pipeline system, which is based on a method for diluting and dissolving hydrogen in seawater, further optimizes composition, and simplifies a main body structure into three parts, namely a seawater pretreatment unit, an electrolysis unit and an electric control unit, the main body structure of the electrolysis unit is an electrolysis cell set formed by connecting a plurality of branch pipe type electrolysis cells in parallel through a water path, the occupied space is effectively reduced, seawater dilution hydrogen is adopted to replace air dilution hydrogen, storage-free direct discharge of electrolyte is achieved, and the electrolysis antifouling device for the ship pipeline system is miniaturized and does not generate free hydrogen. The device can effectively slow down the scaling rate of CaCO3, Mg (OH) 2 and other calcium and magnesium deposition layers generated by the cathode when the electrolysis unit electrolyzes seawater, further effectively reduces the pickling frequency of the electrolytic cell, improves the single continuous operation time, directly dissolves the seawater electrolysis byproduct hydrogen in cooling seawater and discharges the hydrogen out of an outboard pipeline, and eliminates the risk of hydrogen gathering, precipitation and leakage.

The present disclosure relates to a deep purification device and method for methanol-to-olefin washing water. Provided is a deep purification device for methanol-to-olefin washing water, comprising: a quench tower (1-1), a water washing tower (1-2) connected to an outlet at the top of the quench tower (1-1), a boiling bed separator (1-3) having the top thereof connected to the bottom of the water washing tower (1-2), a fiber coalescer (1-4) connected to the bottom of the boiling bed separator (1-3), and a buffer settling tank (1-5) connected to the sidewall of the boiling bed separator (1-3) at a position near the top. Further provided is a deep purification method for methanol-to-olefin washing water.

The invention discloses a chemical high-concentration organic wastewater treatment device, and relates to the technical field of wastewater treatment, the chemical high-concentration organic wastewater treatment device comprises an EIC reactor main body, the EIC reactor main body is internally provided with a water distribution zone, a reaction zone, a separation zone and a biogas collection zone from bottom to top, and the water distribution zone is internally provided with a lower spiral water distribution group and an upper spiral water distribution group from bottom to top; the supporting column, the lower spiral water distribution group and the upper spiral water distribution group are jointly provided with a water distribution mechanism, and an opening and closing mechanism for controlling the lower spiral water distribution group to deflect is arranged on the inner bottom wall of the EIC reactor main body. The lower spiral water distribution group and the upper spiral water distribution group are matched in a guiding manner, so that inlet water can be uniformly and stably distributed, and the situation that the contact time of wastewater and sludge is relatively short and the wastewater and the sludge cannot fully participate in a reaction due to overlarge impact load, overhigh ascending velocity and rushing out of the sludge is avoided; through blocking of the fan-shaped blades of the lower spiral water distribution group and the upper spiral water distribution group and the V-shaped dirt baffle, the situation that a water outlet head is blocked by sinking sludge can be reduced.

The invention discloses an intelligent low-carbon treatment and recycling system for rainwater and sewage. The system comprises a biological retention module used for collecting and treating rainwater to obtain treated rainwater; the numerical control drainage module is used for collecting oxidation-reduction potential data and pH value data of the processed rainwater as environmental data to be transmitted to the control module, and discharging the processed rainwater in a preset duration based on a first control signal sent by the control module; the rainwater and sewage collecting module is used for storing the discharged treated rainwater and maintaining the water storage amount within a preset range; the irrigation module is used for collecting soil humidity data of the bioretention module and transmitting the soil humidity data to the control module, and extracting stored water in the rainwater and sewage collection module based on a second control signal sent by the control unit to irrigate the bioretention module; the control module is used for receiving the environment data and performing double judgment, sending a first control signal when a preset condition is met, receiving the soil humidity data, and sending a second control signal when the preset condition is met. The stable and efficient low-carbon treatment and recycling of the rain sewage are realized.

An A H C R -A 2 O sewage treatment system, comprising: an anaerobic tank, a biological adsorption hydrolysis-clarification and redistribution tank, an anoxic tank, an aerobic tank and a secondary sedimentation tank. A new biological adsorption hydrolysis-clarification and redistribution tank is provided. After the sewage is mixed with the external reflux sludge, pollutants are rapidly adsorbed and partially hydrolyzed, and settle to the bottom of the tank body, and the supernatant is collected in the upper part of the tank body. The supernatant outlet is respectively connected to the anoxic tank and the aerobic tank and selectively conducted, and the bottom sludge outlet is connected to the anoxic tank. In the sewage treatment method: according to the preset value of the supernatant turbidity, it is selected to flow into the aerobic tank or the anoxic tank, and the bottom sludge is introduced into the anoxic tank. The present invention can improve the nitrogen and phosphorus removal efficiency of a single activated sludge system, improve the utilization rate of the internal carbon source in sewage, reduce the consumption of the external carbon source. When the influent COD / TN≈5, the effluent TN≤10mg / L, the external carbon source does not need to be added, the tank volume is reduced by more than 10%, and it is applicable to the upgrading transformation of the high discharge standard of sewage treatment plants, realizing the functions of improving quality, increasing efficiency and reducing consumption.

The invention discloses a riverway treatment chemical dosing device with a uniform dosing function, and relates to the technical field of sewage treatment.The chemical dosing device comprises a base, a chemical storage tank, a control cabinet, a water pump and a dosing mechanism, the chemical storage tank is fixedly connected with the base, the water pump is fixedly connected with the base and electrically connected with the control cabinet, and a water inlet of the water pump communicates with the chemical storage tank; the putting mechanism is communicated with a water outlet of the water pump and is used for uniformly putting a medicament into the river channel to treat sewage; the chemical feeding device is used for treating river sewage, the chemical feeding device can be installed in a river, the chemical storage tank is used for storing chemicals, during chemical feeding operation, the control cabinet starts the water pump, the water pump pumps out the chemicals in the chemical storage tank and pumps the chemicals into the feeding mechanism, and the chemical feeding mechanism is used for feeding the chemicals. And the throwing mechanism can uniformly throw the medicament into the river channel.

A dispenser includes a water supply flow path to guide water supplied from a water supply source toward a filter; an auxiliary flow path to branch off at the first point of the water supply flow path and then to merge into a second point located downstream of the first point; a flow switching valve installed at the first point to control a flow from the water supply flow path to the auxiliary flow path; a water ejection nozzle through which filtered is ejected; a hot water module forming a heating flow path and configured to heat the purified water into hot water; a hot water flow path configured to guide the hot water passing through the hot water module toward the water ejection nozzle; and a controller to control the flow switching valve and the hot water module.

The present invention relates to the technical field of water treatment, particularly to a pure water separation treatment apparatus, which comprises: a treatment barrel, the top wall of which is connected with a water inlet unit; the water inlet unit is connected to the water inlet unit, the water distribution units are circumferentially and uniformly connected to the water inlet unit, each water distribution unit comprises a water distribution pipe which is connected to the water inlet unit and is of a V-shaped structure, and a baffle ring is mounted at the lower end of each water distribution pipe. The plurality of evaporation units adopted by the invention can be independently taken out to be cleaned, so that the rest evaporation units can continuously perform evaporation treatment on the raw water, the evaporation equipment does not need to stop working, the continuity of the evaporation treatment of the raw water is ensured, and the treatment efficiency of a large amount of raw water is further improved.

The subject of invention is an installation for enhanced coagulation, sedimentation with pre filtration on a sludge blanket and rapid sand filtration of the liquid industrial streams, in particular raw water or wastewater, comprising at least a first zone equipped with a hydraulic flocculator (1) for improved coagulation arranged upstream of the sedimentation device, a second zone equipped with a clarifier (2) for sedimentation with pre filtration from which is drawn the clarified water and a third zone equipped with filtration device(3). Also, the subject of the invention is a method of treating liquid industrial streams, in particular raw water or wastewater treatment in the installation of invention

The present application relates to a dispensing device for purified water, and more particularly to a dispensing device for ultrapure water. The present application also relates to a water purification system comprising such a dispensing device for purified water, and to a method for dispensing purified water.

This invention relates to a heterogeneous nucleation circulating crystallization granulation fluidized bed and its system. The fluidized bed includes a water collection zone, a circulating crystallization zone, a filtration zone, and a mineralization zone. The circulating crystallization zone includes an inner cylinder, an outer cylinder outside the inner cylinder, an outer cylinder bottom at the bottom of the outer cylinder, and a throat and a flow guiding component at the outer cylinder bottom. The inlet of the throat is in the filtration zone, and the outlet is in the circulating crystallization zone. The circulating crystallization zone and the water collection zone are connected. The filtration zone includes a filter cylinder, a filter cylinder bottom at the bottom of the filter cylinder, a main water supply pipe for the filtration zone inside the filter cylinder, and a filter component. The mineralization zone includes a mineralization cylinder, a water distributor plate inside the mineralization cylinder, a water distributor on the water distributor plate, a flow guiding plate below the water distributor plate, a lower water inlet below the flow guiding plate, an air inlet communicating with the lower part of the mineralization cylinder, and a water collection plate at the upper part of the mineralization cylinder. The flow guiding component is connected to the upper part of the mineralization cylinder through a crystallization particle conveying device. This system can be used to adjust the hardness of seawater desalination product.

A grey water reclamation system for a recreational vehicle includes an on-board use that generates grey water having a contamination level, a grey water treatment tank fluidly connected to the on-board uses to collect the grey water and treat the grey water therein to form treated grey water, and a coagulant dispenser and a flocculant dispenser each fluidly connected to the grey water treatment tank and configured to supply a predetermined amount of coagulant and flocculant, respectively, to the grey water treatment tank. The system also includes a grey water supply tank fluidly connected to the grey water treatment tank configured to receive the treated grey water therefrom and supply the treated grey water to a particular on-board use. The predetermined amount of coagulant is based on the contamination level or a turbidity of the treated grey water.