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78results about How to "Evenly distributed water" patented technology

Integrated advanced wastewater treatment device and process

The invention relates to an integrated advanced wastewater treatment device and process. A sludge reflowing pipe is arranged at the bottom of a settling region, wherein one end of the sludge reflowing pipe is connected with a flocculation region, a sludge discharging pipe is arranged at the other end of the sludge reflowing pipe, and a filter cloth filtering region and a disinfecting region are arranged up and down and are adjacent to the settling region. Wastewater enters a mixing region through a wastewater inlet pipe, enters the flocculation region through a first water passing hole after being mixed, and enters the settling region through a second water passing hole after being flocculated; supernate overflows through an effluent weir after sludge and wastewater are separated through settling in the settling region, and enters the filter cloth filtering region after passing through a grating plate, effluent enters the disinfecting region from meshes in the bottom through a wastewater collecting tank after being filtered, and discharged through a wastewater outlet pipe through a third water passing hole after being disinfected, and a sludge part reflows to the flocculating region through a sludge reflowing pipe, and is partially discharged through the sludge discharging pipe. The process provided by the invention is reasonable in procedures; the device is compact in integrated design, saving in occupation area, less in head loss and less in chemical adding amount.
Owner:中清生态环境(宁波)有限公司

Method and device for water feeding and water draining of rectangular cultivating pond of young panax

The invention relates to a method and a device for water feeding and water draining of a rectangular cultivating pond of young panax. A water feeding pipe and a water draining pipe are arranged in a rectangular pond body along the diagonal direction respectively, the water feeding pipe is arranged at one corner of the rectangular pond body, and the water draining pipe is arranged at the position diagonal to the corner where the water feeding pipe is arranged, so that the path of the water flow is extended, and the residence time of the water feeding in the pond is prolonged correspondingly; aplurality of rows of swirl nozzles are arranged on the wall of the water feeding pipe along the vertical direction, each row includes three swirl nozzles facing towards three directions inside the pond, and the row of the swirl nozzles in the middle face towards the diagonal direction of the pond; the water draining pipe is of inner and outer casing pipe structure in which the water level can be adjusted, the height of the water draining port on the inner pipe can be controlled through moving the inner pipe of the water draining pipe up and down to adjust the water level in the pond. The method disclosed by the invention can effectively reduce the volume of a stagnant water area in the pond, improve the water qualiy and the survival rate as well as the growth rate of the young panax, thereby realizing the effects of separation of sewage rows, reduction of pressure of purification treatment of discharge water and secondary utilization of upper layer water draining in the pond.
Owner:DONGYING HAIYUE FISHERY TECH CO LTD

Household waste inventory heterotopic aerobiotic strengthening stabilization system and method

The invention discloses a household waste inventory heterotopic aerobiotic strengthening stabilization system and method, and belongs to the technical field of environment protection. The system comprise the following units that a parallel gallery unit, a drainage and air distribution unit, cover films and a capillary water distribution unit, wherein the parallel gallery unit is located on a dug object placement site and composed of N longitudinal partition walls and transverse partition walls perpendicular to the longitudinal partition walls, the transverse partition walls and the longitudinal partition walls form unit galleries of which the two ends are provided with outlets, and the N longitudinal partition walls and the transverse partition walls form 2(N-1) unit galleries to form theparallel gallery unit; the drainage and air distribution unit is arranged on the terrace of the unit galleries; the cover films are arranged at the tops of the unit galleries and can be folded or unfolded; and the capillary water distribution unit is arranged above the parallel gallery unit. By adopting the aerobiotic strengthening stabilization system, the stabilization cycle can be effectively shortened, the target that waste inventory dug objects are quickly and stably pre-processed within one week is achieved, and the follow-up sorting efficiency and the resource utilization technology efficiency are improved.
Owner:NANJING UNIV +1

Regional economy department water distribution balancing method and system

ActiveCN109784582AEvenly distributed waterWater distribution optimizationForecastingResourcesAnalysis dataProgram planning
The invention discloses a regional economy department water distribution balancing method and system. The method comprises the following steps: acquiring supply and demand analysis data of each waterconsumption subject; constructing a regional value objective function according to the supply and demand analysis data; constructing a regional water utilization fairness objective function accordingto the supply and demand analysis data and the regional value objective function; constructing a regional economic department water distribution balance optimization model by adopting the regional value objective function and the regional water utilization fairness objective function; adopting a non-dominated sorting genetic algorithm with an elitist strategy to optimize and solve the regional economic department water distribution balance optimization model to obtain an optimal strategy; and spatial distribution of the water resource allocation result of the regional economy department is realized according to the optimal strategy. The method can optimize and coordinate the water consumption among the industries, realizes water consumption balance among the industries, reasonably configures the water consumption, and provides important support for a water management department to reasonably arrange a water consumption plan.
Owner:YELLOW RIVER ENG CONSULTING

Integrated oil and turbidity removing device

The invention discloses an integrated oil and turbidity removing device which comprises a device body; a clarification zone is arranged at the upper part of the device body, and a mud settling zone isarranged at the lower part; symmetrical mud collecting hoppers are arranged under the mud settling zone; a flocculation reaction chamber is divided into a first flocculation reaction chamber and a second flocculation reaction chamber; the first flocculation reaction chamber is embedded in the second flocculation reaction chamber and is communicated with the second flocculation reaction chamber through the open lower end of the first flocculation reaction chamber; a slag collecting hopper is connected under the second flocculation reaction chamber; a water outlet is formed above the second flocculation reaction chamber and is close to the symmetrical mud collecting hoppers; the symmetrical mud collecting hoppers comprise two symmetrical mud hopper cone plates; an included angle between each of the mud hopper cone plates and a horizontal plane is 45 degrees; a roof structure with an included angle of 90 degrees is formed between the two mud hopper cone plates. The integrated oil and turbidity removing device disclosed by the invention has the benefits that all the functions of a chemical oil remover and a high-speed filter are combined, and the floor area is reduced.
Owner:江苏德科环境科技有限公司

Full-counterflow enclosed cooling column with air intake at upper and lower part

The invention relates to complete countercurrent closed cooling tower with air inlets on an upper and a lower parts. A tube bundle is arranged on the upper part of the closed cooling tower, and fillers are arranged on the lower part. A fan is arranged on the top of the tower. A water collection disc is arranged on the bottom of the tower. The upper part of the tube bundle is provided with a water distributor. The water collection disc is connected with the water distributor by a pump. The upper and the lower parts of the two lateral sides of the cooling tower are separately provided with two air inlets-the upper air inlet and the lower air inlet. The other two lateral sides and a channel separator form an air exhaust channel. The air that enters into the cooling tower from the upper air inlet and flows downwards, after the air passes through the tube bundle, the air meets the air that enters into the cooling tower from the lower air inlet, flows upwards and passes through the fillers. The direction of the air is changed in the middle of the cooling tower. The air flows upwards through the air exhaust channel and is discharged from the top of the cooling tower. The air in the fillers flows along a reverse direction with the spray water which flows from top to bottom. The air in the tube buddle flows along a same direction with the spray water and flow along a reverse direction with the cooled fluid in the tube buddle. The countercurrent closed cooling tower can use pool typed water distribution system. The closed cooling tower can increase the flow area and the flow quantity of the air. The water distribution is uniform, and the effects of the heat transfer and mass transfer are improved.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Novel micro-electrolysis unit for treating oily wastewater

The invention provides a novel micro-electrolysis unit for treating oily wastewater. The novel micro-electrolysis unit comprises a cylinder, wherein the cylinder sequentially comprises a water inlet area, a reaction area and a water collection area from bottom to top; the water inlet area comprises a conical water distribution perforated plate, a horizontal circular perforated plate, a circular aeration disc and an air inlet pipe; the conical water distribution perforated plate is arranged at the bottom of the cylinder; the horizontal circular perforated plate is arranged above the conical water distribution perforated plate; the circular aeration disc is arranged below the conical water distribution perforated plate; the air inlet pipe penetrates through the conical water distribution perforated plate and is connected with the circular aeration disc; aeration holes are uniformly formed in the circular aeration disc; a water inlet pipe is further arranged and connected with the centerof the bottom of the cylinder; the outer edge of the lower end of the conical water distribution perforated plate is connected with the inner wall of the cylinder; and a first opening and a second opening are uniformly formed in the conical water distribution perforated plate and the horizontal circular perforated plate. The novel micro-electrolysis unit disclosed by the invention is simple in structure and long in service life, and the problems such as hardening and passivating of packing and blockage of the packing in the traditional micro-electrolysis technology can be effectively reduced or avoided.
Owner:HARBIN ENG UNIV

Water-distributing device for large-size artificial wetland sewage treatment system

The invention relates to a water-distributing device for a large-size artificial wetland sewage treatment system. A plurality of water-distributing tanks are constructed on the outer edge of an adjusting tank; the water-distributing tanks are in one-to-one correspondence with wetland units; a water inlet pipe is mounted on a wall of the adjusting tank; a discharging pipe is arranged at the bottom of the adjusting tank; each of the water-distributing tanks comprises a front unit of water-distributing tank and a rear unit of water-distributing tank; each front unit of water-distributing tank is separated from the adjusting tank through a wall; a water inlet of water-distributing tank is arranged on the wall; a water-distributing electrically operated valve is mounted at the water inlet of water-distributing tank; each front unit of water-distributing tank is communicated with the adjusting tank through the water inlet of water-distributing tank; each rear unit of water-distributing tank is separated from each front unit of water-distributing tank through the wall; a triangular weir is arranged on the wall; an adjusting baffle is mounted on the triangular weir; each rear unit of water-distributing tank is communicated with each front unit of water-distributing tank through the triangular weir; and a water-distributing pipeline is mounted in each rear unit of water-distributing tank. From pre-treating facilities to the artificial wetland main processing units, water can be uniformly distributed and reaeration is sufficient, so that the efficient treating capacity of the whole artificial wetland system can be brought into play.
Owner:杜建强

Low-pulsation inclined plate precipitation device

The invention discloses a low-pulse inclined plate sedimentation device which comprises a sedimentation tank, an inclined plate group, a perforated water collecting pipe and a perforated sludge discharge pipe, a clear water area, an inclined pipe area, a water distribution area and a sludge deposition area are sequentially arranged in the sedimentation tank from top to bottom, the perforated water collecting pipe is transversely arranged in the clear water area, the inclined pipe area is fixedly provided with the inclined plate group, one side of the water distribution area is provided with a water inlet, and the other side of the water distribution area is provided with a water outlet; and a perforated sludge discharge pipe is transversely arranged in the sludge deposition area. According to the sewage treatment device, the perforated plate is arranged, so that particles uniformly fall into the next-stage space through the filter holes in the downward sliding process, are subjected to convection collision with new flocculated sludge in the next-stage space, continuously grow under the action of contact flocculation to form large-particle precipitates, and further fall into the sludge accumulation area under the action of gravity to be discharged; sludge is effectively prevented from being accumulated between the inclined plates, and the sedimentation efficiency is improved.
Owner:GUANGZHOU UNIVERSITY

Riverside tail water treatment system device

The invention relates to a riverbank-type tail water treatment system, which is located at riverbank of the tail water discharge port of an urban sewage treatment plant and comprises a treatment pond, wherein the surface facing to water, of the treatment pond is a water-permeable outer wall; a partition is arranged in the treatment pond; the partition divides the treatment pond into an A-level ecological treatment region and a B-level ecological treatment region; water passing holes are formed on the partition and at the bottom of the treatment pond; a water-permeable supporting clapboard is arranged on the horizontal surfaces of the water passing holes inside the treatment pond; a water passing channel is formed in the space between the supporting clapboard and the base of the treatment pond; and a sewage inflow pipe and a sewage distribution device are arranged in the A-level ecological treatment region. The tail water treatment system has the advantages of simple structure, long service life, low maintenance cost and no occupied factory area; in the tail water treatment system, a large-resistance water distribution system is applied in the deep purification of the tail water soas to realize uniform water distribution, the tail water is further intercepted and purified before entering the river, the emission mode of the tail water is changed, the ecological influence on a river channel caused by concentrated tail water discharge is reduced; and the tail water treatment system can be combined with river regulation engineering to be used as the bank hydrophilic corridor and landscape.
Owner:HOHAI UNIV

Maintenance-free rural domestic sewage treatment device

The invention discloses a maintenance-free rural domestic sewage treatment device, and relates to the field of domestic sewage treatment. The maintenance-free rural domestic sewage treatment device comprises a sand settling pond, a pump I, a reactor I, a pump II, a reactor II, a pump III, a drain pipe, an electric control cabinet and a remote monitoring system. The electric control cabinet is connected with the pump I, the pump II and the pump III, the sand settling pond, the pump I, the reactor I, the pump II, the reactor II, the reactor III and the drain pipe are sequentially connected withone another, the reactors are used for accommodating biological carriers, microorganisms can be attached to the biological carriers, and the remote monitoring system is used for monitoring water levelprotection heights of the reactors. The maintenance-free rural domestic sewage treatment device has the advantages that water can be uniformly distributed without dead spaces, can be quickly drainedand re-aerated and can be sufficiently uniformly re-aerated, biological film cultivation procedures can be omitted, the maintenance-free rural domestic sewage treatment device can run in a programmedmanner, and full-automatic unattended operation further can be implemented; the water level protection heights of the reactors can be remotely monitored, so that the biological carriers can be timelyreplaced or cleaned, and the maintenance-free rural domestic sewage treatment device is high in organic load impact resistance.
Owner:LANZHOU JIAOTONG UNIV

Re-drying method for keeping aroma substances of tobacco leaves

The invention discloses a re-drying method for keeping aroma substances of tobacco leaves. The re-drying method comprises the following steps: carrying out ultrasonic atomization pre-dampening treatment on the tobacco leaves; carrying out ultrasonic atomization vacuum moisture regaining treatment on the tobacco leaves; atomizing and moistening the tobacco leaves; threshing and air-separating the tobacco leaves; and carrying out microwave redrying treatment on the tobacco leaves. According to the re-drying method for keeping aroma substances of tobacco leaves, ultrasonic atomization pre-dampening is beneficial to reducing the subsequent dampening intensity and reducing the aroma loss; low temperature and high humidity are adopted for ultrasonic atomization vacuum moisture regaining to improve the humidifying effect, characteristic aroma substances of tobacco leaves are reserved, and tobacco leaf breakage is reduced; low-temperature redrying is achieved through microwave redrying, the redrying time is shortened, fragrant substance losses are small, leaf moisture losses are uniform, and tobacco leaf shrinking is reduced; and through the steps of ultrasonic atomization pre-moisture regaining, ultrasonic atomization vacuum moisture regaining, atomization leaf moistening and microwave drying and redrying, the loss of fragrant substances of tobacco leaves is reduced while the redrying processing effect is guaranteed, and the quality of the redried tobacco leaves is improved.
Owner:CHINA TOBACCO HENAN IND

High-density sedimentation internal circulating integrated sewage treatment equipment

ActiveCN103408202BEasy to handleNot easy to produce floc sedimentationMultistage water/sewage treatmentHigh densityNitrogen
The invention discloses high-density sedimentation internal circulating integrated sewage treatment equipment and relates to the field of sewage treatment technology. The sewage treatment equipment comprises a high-density floc settling device, an anaerobic reaction device, an aerobic reaction device and a settling device. according to the sewage treatment equipment, a deflector is arranged in the high-density floc settling device, so as to change the flow state of fluid and avoid generation of floc settling; a jet water distributor is added in the anaerobic reaction device to avoid short flow of sediment water from the high-density floc settling device; under strong impact of jet flow, sludge at the bottom of the anaerobic reaction device is completely mixed with sewage, and no dead angle is generated during a stirring process, so that uniformity of water distribution and complete reaction are guaranteed; the sewage treatment equipment has a remarkable effect in small-scale sewage treatment, and can be applied to treatment of domestic sewage and industrial sewage as well as to nitrogen and phosphorus removal processes; since four devices are designed to be a whole, the structure of the equipment is compact and investment cost and operation cost are reduced.
Owner:CHINA WATER RESOURCES PEARL RIVER PLANNING SURVERYING & DESIGNING +1

Low-pollution water quality deep purification system

The invention discloses a low-pollution water quality deep purification system. The low-pollution water quality deep purification system comprises a first-stage treatment unit and a second-stage treatment unit, the second-stage treatment unit comprises an even water distributing system with a water distributing pipe set, and the water distributing pipe set comprises a first water distributing pipe with a plurality of water distributing sub-pipes, a plurality of second water distributing pipes, a plurality of first overflow vertical pipes and a plurality of second overflow vertical pipes. The water distributing sub-pipes are connected with the second water distributing pipes; the first overflow vertical pipes are identical in length and are connected with the water distributing sub-pipes in a one-to-one correspondence mode; the upper ends of the water distributing sub-pipes except for the uppermost water distributing sub-pipe are rotationally connected with the lower ends of the second overflow vertical pipes in a one-to-one correspondence mode, and the adjacent first overflow vertical pipes and second overflow vertical pipes are connected through first overflow inclined pipes. Therefore, the low-pollution water quality deep purification system has the advantages of being even in water distribution, effectively removing algae, organic matter, nitrogen and phosphorus in low-pollution water and the like.
Owner:NANJING INST OF GEOGRAPHY & LIMNOLOGY
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