1365 results about "Treatment pond" patented technology

The invention discloses an ecological seawater rare fish factorization circulating water aquaculture system which comprises an aquaculture pond, a primary filter tower, an albumen segregator, a primary biological filter tower, a secondary biological filter tower, a tertiary biological filter tower, an algae treating pond, a source water filter pond, a UV (Ultraviolet) sterilizer, a temperature adjusting pond, an arc-shaped sieve, a primary sedimentation pond and a secondary sedimentation pond. A bidirectional drainage system is adopted by the aquaculture pond, the water containing less smaller particles at the lower part of the pond and the water containing more larger particles at the bottom of the pond are respectively drained and then input into different processing units for recycle. Molluscs, sea cucumbers and algae are drawn into aquaculture waste, wastewater disposal and resource utilization by the circulating water aquaculture system, so that the circulating water aquaculture system has an obvious ecological characteristic. The ecological seawater rare fish factorization circulating water aquaculture system has the advantages of high treatment efficiency of aquaculture wastewater and rubbish, simpler equipment, low energy consumption, high backwash efficiency, resource utilization of aquaculture wastewater and rubbish, less circulation supplement water, high treatment efficiency of inorganic nutrient salt in the water and high economic additional value.

The invention provides a river surge silt d harmless and recycling treatment method. In the method, a dredger is utilized to suck silt, the silt is sent into a biochemical treatment pond from the ship through a silt transmission pipeline, compound enzyme is utilized to carry out bioremediation, gravels and sands with the particle size bigger than 1mm are filtered out by a primary hydrocyclone and a vibration screen, sands with the particle size of 0.075-1mm are filtered out by a secondary hydrocyclone and the vibration screen, powdery particles with the particle size of 0.025-0.075mm are filtered out by a third-level hydrocyclone and the vibration screen, powder particles are further separated out from outlet silt tail water through a sediment tower, sewage from the sediment tower is filtered by utilizing a fiber filter after flocculant is added into the sewage, and powdery particles are deposited from backflushing silt after being filtered by utilizing the sediment tower again, and the powdery particles are dehydrated by the third-level hydrocyclone and the vibration screen after entering a sludge pool and are cured by a curing agent after dehydration. The method has high resource utilization ratio, meets the requirements for the environmental protection, particularly carries out stage treatment on the silt, lowers the cost and enhances the efficiency.

The invention discloses a fresh water scale pond ecological breeding system. The system comprises five parts, namely a breeding pond, a pond water normal-position distributed treatment part, a pond discharge water abnormal-position centralized treatment part, a backwater function recovery treatment part and a pond water quality compensation treatment part. Breeding water aquatic ecology, pond breading and an aquaculture engineering technology are integrated organically; and pond microcirculation is formed through absorption, decomposition and nitrification functions of microorganisms, algae and the aquatic plants, particularly continuous removal of aquatic plants with growth and intermittent water supply, so that the utilization rate of pond eutrophic substances is improved, and breeding backwater is restored. The system has the remarkable effects of water saving and emission reduction and provides the high-efficiency pond ecological breeding system which is novel in process and is high in operability and economic and practical and has a unique structure for fishery industrialization and scale production.

The invention relates to a method for reusing dyeing raffinate of cellulosic fiber dye, recovering and treating dye, as well as a structure of a special dyeing raffinate treatment pond. According to different dyeing methods and different application categories of dyes, typical basic dyes are selected, and the maximum absorption wavelength or characteristic wavelength of each basic dye is sought so as to determine the content of each blended dye in raffinate and reuse the raffinate in production, while the dyeing raffinate which cannot be directly used in production is recovered through a special treatment pond and a corresponding method. The invention solves the technical problems that the prior art cannot directly reuse the dyeing raffinate in production, cannot recover the dyes in the dyeing raffinate, and has no special treatment device and equipment for recovering and reusing the dyes.

The invention relates to a wastewater integrated treatment and comprehensive utilization device and application thereof. A method for the wastewater integrated treatment and comprehensive utilization comprises the following steps: firstly leading the wastewater into an oil interceptor tank and then into an equalizing tank; leading the wastewater after neutralization regulation into a biochemical treatment tank where a sump pump and an aeration device are arranged; leading the wastewater after the biochemical treatment into a sedimentation tank; leading the sedimentated wastewater into a filter tank with built-in filler for the filtration treatment of the wastewater; arranging a back flushing device or filtering material regeneration device beside the filter tank; leading the water outputted from the filter device into an advanced treatment tank to obtain the reclaimed water up to the standards; leading the reclaimed water into a reclaimed water tank where a liquid level controller is arranged for controlling the liquid level; and lifting the rest sludge in the sedimentation tank to a sludge drying compost tank, and carrying out the moderate temperature and high temperature composting of the rest sludge through a temperature controlled heating device. The integrated device is enveloped by an insulating layer formed by polyurethane sandwich boards. The invention provides an integrated device which has the advantages of modularized unit structure, high treatment efficiency, strong self control, wide adaptability, less investment and convenient motion and transportation.

An orbital wastewater treatment system generally including a tank assembly and at least one impeller in the tank assembly for moving mixed liquor under process about the tank assembly is provided with an wastewater inflow sensor, an impeller power meter, and a control unit for periodically and incrementally varying impeller speed and weir height in order to reduce energy consumption. Operating such a wastewater treatment system comprises flowing mixed liquor or wastewater into a treatment pool in the tank assembly, rotating the impeller within the pool to move the mixed liquor or wastewater, and adjusting, in concert, a rate of rotation of the impeller and a level or depth of the pool to reduce a rate of energy usage per unit inflow volume while maintaining at least one process parameter such as dissolved oxygen content substantially constant at a given level in the pool.

The invention relates to sewage treatment equipment, which comprises a water inlet pipe (1), a filter tank (2), a treating pond (8) and a water outlet pipe (13), wherein the water inlet pipe (1) is connected to the upper end of the filter tank (2), and the lower end of the filter tank (2) is connected to the treating pond (8) through a connecting pipe (7); the treating pond (8) is connected to the water outlet pipe (13); a working surface layer (3) is arranged on the inner wall of the filter tank (2); from top to bottom, the filter tank (2) is sequentially provided with a coarse filtration layer (4), a fine filtration layer (5) and a deodorization layer (6); and through a partition board (9), the treating pond (8) is sequentially divided into an anaerobic chamber (10), an aerobic chamber (11) and a sterilizing chamber (12). Through the sewage treatment equipment disclosed by the invention, sewage can be treated effectively and conveniently; so that, an effect of sewage treatment is greatly improved.

The invention discloses a method for treating eutrophicated water body by using microalgae, which comprises the following steps of: selecting microalgae capable of efficiently absorbing nitrogen and phosphorus as algae seeds, and performing domestication such as reducing the nitrogen and phosphorus content and adapting to the water body to be treated by regulating culture medium ingredients; and performing amplification culture step by step, introducing the algae seeds into a primary eutrophicated water body treatment tank, making the nitrogen and phosphorus flowing into the water body of theprimary treatment tank greatly absorbed by the microalgae, discharging into a secondary treatment tank for sedimentation and filtration, discharging most of the treated water, flowing back a little water to the primary treatment tank along with the microalgae, and recycling to fulfill the aim of improving the water quality finally. In the method, the defects of high technical investment, high cost, complex technology, secondary pollution and the like in the prior art are overcome. The COD of the eutrophicated water body treated by the method can be reduced by about 95 percent, the BOD can be reduced by about 93 percent, the total nitrogen can be reduced by about 97 percent, the total phosphorus can be reduced by about 97 percent, and the eutrophicated water body treated by the method completely meets the national type III water quality standard.

The invention relates to a method for treating high-concentration industrial organic waste water. In the method, on the basis of a heterogeneous catalysis Fenton oxidizing reaction principle, a catalyst activity phase is a Fe/Al compound oxide; the waste water treatment temperature is 30-80 DEG C, and the pH value is 3-4.5; and hydrogen peroxide is used as a catalyst and optimally added at different time. The invention also relates to a load type Fe/Al compound oxide catalyst for a heterogeneous catalysis Fenton method. The invention can efficiently remove harmful components in high-concentration industrial organic waste water and obviously reduce the COD (chemical oxygen demand) value of the waste water to an acceptable level of a biochemical treatment pond, has simple and convenient operation, economy and practicability, and is suitable for large-scale popularization and application.

The invention relates to an aquiculture waste water circulating treatment system and belongs to the technical field of culture waste water treatment. The aquiculture waste water circulating treatment system comprises an aquiculture pond array, wherein the aquiculture pond array is sequentially circularly connected with a three-stage stepped sedimentation pond, an alga purification pond, a biological membrane treatment pond, a secondary sedimentation pond, a disinfection pond, a filter pond and an aerobic pond through pipelines; a water body inside the aquiculture pond array circulates through water pumps arranged among the ponds. The aquiculture waste water circulating treatment system disclosed by the invention is simple in structure and reasonable in design, can be used for sequentially treating the aquiculture waste water through the three-stage stepped sedimentation pond, the alga purification pond, the biological membrane treatment pond, the secondary sedimentation pond, the disinfection pond, the filter pond and the aerobic pond, is easy and quick to operate and has good treatment effect; moreover, the water body treated by the system can finally reach the requirement of aquiculture.

A method for cleaning the water in river and lake features that the stream generating and aerating apparatus is arranged in the water of river or lake to generate artificial streams and increase the content of O2 in water for changing the river or lake into a contact-oxidizing aerating pool, and the biological-bed filler is arranged in each stream path to decompose the organic pollutants in water. Said apparatus is composed of turbulence pump, water inlet pipe and outlet pipe with single-pole magnetic rings, and mixing pipe.

The invention relates to an urban road rainwater collection treatment and application system.The urban road rainwater collection treatment and application system comprises a rainwater collection pond (1), a treatment pond (2), a water storage pond (3) and a spraying system (11) which are in fluid communication in sequence.A first filter net (4) and a second filter net (5) are horizontally arranged at the upper portion inside the rainwater collection pond (1) from top to bottom.A third filter net (6), a fourth filter net (7) and a fifth filter net (8) are arranged inside the treatment pond (2) according to the flow direction of fluid.A power component (12) for feeding water in the water storage pond (3) into the spraying system (11) and an adjusting valve (15) are arranged at the lower portion of the water storage pond (3).The urban road rainwater collection treatment and application system has the advantages that no external power system needs to be adopted in rainwater collection and treatment processes, so that the system operation cost is greatly lowered; collected and treated rainwater is sprayed to an urban road with the large traffic flow again, and the certain governance effect is achieved for urban haze.

The invention discloses a radial-flow constructed wetland sludge treatment system and a method thereof. The system comprises a sludge water inlet pipe, a regulating pool and at least one constructed wetland sludge treatment pool, wherein a pool body of the constructed wetland sludge treatment pool is internally provided with a gravel drainage layer for collecting sludge percolate, a filtering layer for purifying the sludge percolate as well as a sand layer for separating mud from water from bottom to top, a mud cake layer made of drying sludge is formed on the sand layer, a sludge layer to be treated is arranged on the mud cake layer, and wetland plants are planed in the pool body. The sludge is fully dried, the volume of the treated sludge can be reduced to 4%-30% of the original volume of the sludge; after anaerobic digestion and aerobic digestion are carried out on organic compounds in the sludge in the constructed wetland, and the content of volatile organic compounds in the sludge is reduced by 20%-30%. The constructed wetland sludge treatment technology has the advantages of remarkable sludge reduction and stabilizing treatment effect, low construction and operation cost, environment friendliness and the like.

The present invention provides a method for treating waste liquid containing organic substances, which can treat waste liquid containing organic substances at high efficiency and high speed, produce not odor during the treatment, and obtain waste liquid containing organic substances that has water quality at least suitable for discharging to sewage system or public water areas; the present invention further provides a waste liquid treatment device, an additive for treatment of waste liquid containing organic substances, and bacteria that can decompose waste liquid containing organic substances. The method and device for treating waste liquid containing organic substances are characterized in: they can force activated sludge containing specific bacteria to contact with the waste liquid containing organic substances. The present invention further provides an additive that can be added to the active sludge in a treatment pond where specific bacteria exist to treat waste liquid containing organic substances, and specific bacteria that can decompose waste liquid containing organic substances.

The invention relates to the technical field of wastewater treatment systems, in particular to a heavy metal wastewater treatment system and method. The system comprises a pH adjustment pond, a coagulation pond, a flocculation pond, a sedimentation pond, a biochemical treatment pond, an ultrafiltration system, a reverse osmosis system and an evaporation-concentration-crystallization device which are communicated in sequence according to the flow direction of wastewater. The reverse osmosis system comprises a first-level RO device and a multi-level RO system which are arranged according to theflow direction of the wastewater, the first-level RO device is provided with a first purification water outlet and a first concentration water outlet, the first purification water outlet is communicated with a recycle pond, and the first concentration water outlet is communicated with the multi-level RO system. According to the heavy metal wastewater treatment system and method, reliable running and economical and reasonable cost are taken as a principle, a double-film-method water treatment technology with ultrafiltration and multi-level reverse osmosis as a core is adopted, the method is reasonable in design and stable in running, the quality of produced water meets the requirement, and all the devices have the advantages of being convenient to install, use, operate and maintain.

The invention provides a process of a multilevel reflux load control biological method and a device matched with the process. The process consists of a pretreatment process, a sludge multilevel load control treatment process and a post-treatment process of air flotation and so on. In the sludge multilevel load control treatment process, wastewater is treated through an integrated biological pond which consists of three sections of nine-level biological treatment ponds, the treatment process in the biological treatment pond comprises the following steps of: contact anaerobic treatments in the first level and the second level; intermediate precipitation in the third level; contact oxidation treatments in the fourth level and the fifth level; intermittent aeration in the sixth level; contact oxidation and addition of basic nutriment in the seventh level and the eighth level; and aeration precipitation in the ninth level. According to the situation of load, sludge in the integrated biological pond can be refluxed into each preceding biological pond so as to control activity, propagation, variation and other biological processes of microorganisms in the integrated biological pond. The integrated biological pond introduces an idea of modular design, and has the advantages of small occupied area, convenient construction, flexible regulation and control and low construction cost.

The invention relates to an urban domestic sewage and garbage integrated and circular type centralized treatment system which comprises an organic garbage collection tank, a grinding device, a water collection tank, a pretreatment tank, an adjusting heating tank, an IC anaerobic reactor, an anaerobic tank, an I-level aerobic reaction tank, an II-level aerobic reaction tank, a sedimentation tank and a membrane treatment apparatus, wherein the IC anaerobic reactor comprises a tank body; the tank body internally consists of a first reaction chamber and a second reaction chamber sequentially connected from bottom to top; a jet-flow aeration stirrer is arranged between the first reaction chamber and the second reaction chamber; a bottom mud discharge pipe is arranged at the bottom of the IC anaerobic reactor; a feed pipe and a stirring turbine are arranged at the bottom in the first reaction chamber; the stirring turbine is arranged above the feed pipe; and an internal circulation backflow pipe and an internal circulation riser pipe are arranged in parallel in the second reaction chamber. The system provided by the invention is suitable for rural areas and small towns and is economical, efficient, energy-saving and simple and easy to implement.

The invention discloses a device for treating waste water by an electron beam irradiation method, which comprises a waste water collecting pool, an irradiation preparing pool, an irradiation treating pool, and a clear water pool which are communicated by water conveying pipes orderly; an electron accelerator is disposed right above the irradiation treating pool; each water conveying pipe is equipped with a water pump; a sinking-mode irradiation flowing water trough is disposed in the center of a pool cover of the irradiation treating pool; uniformly-arranged flowing water trough water inlets are disposed at the bottom surface of the irradiation flowing water trough; waste water to be treated spews upwards and flows into the irradiation flowing water trough from the flowing water trough water inlets; water-distributing pipelines are disposed below the irradiation flowing water trough; flowing water trough water outlets are uniformly arranged at the trough bottom of the irradiation treating pool; the flowing water trough water outlets are communicated with the irradiation treating pool; switch valves are mounted on the flowing water trough water outlets; when the switch valves are open, water treated by the electron beam irradiation method flows into the irradiation treating pool. The invention has high treatment efficiency for industrial organic waste water, can effectively solve the problem of industrial water pollution, has a simple structure, is safe and reliable, and has low treatment cost.

The invention provides a treatment method of anaerobic digested liquid for livestock and poultry breeding pollutants, belonging to the wastewater treatment technology. The treatment method comprises the following steps: after preparing methane by anaerobic digestion of the livestock and poultry breeding pollutants, the residual anaerobic digested liquid enters a low-speed centrifuge for separation after being settled by a pre-sedimentation tank, and the obtained supernatant after centrifugation enters a chemically enhanced primary treatment tank; a flocculant is added to strengthen removal ofphosphorus from the anaerobic digested liquid, the anaerobic digested liquid enters an anoxic-aerobic membrane bioreactor through the primary treatment tank to complete efficient and simultaneous biological removal of an organic matter and nitrogen and phosphorus in an anoxic-aerobic area; after the anaerobic digested liquid is separated by a membrane component in an aerobic area, clear water returns to an anaerobic digestion system of the livestock and poultry breeding pollutants to realize zero emission during the treatment process of the livestock and poultry breeding pollutants; and sludge mixed liquid in the aerobic area returns to an anoxic reactor via a reflux pump for denitrification. The treatment method of the invention provides an idea of sewage zero discharge, water conservation and consumption reduction for the whole anaerobic digestion course of the livestock and poultry breeding pollutants.

The invention discloses a method for producing an insect protein feed by treating excrements of livestock by virtue of Hermetia illucens. The method comprises the following steps: (a) putting same quantity of male and female pupae of Hermetia illucens into a stereo nylon gauze element, immediately putting a material basin and a water basin into the nylon gauze element when feathered adults appear, and putting an ovipositor into the nylon gauze element to collect eggs of Hermetia illucens; (b) after incubating the eggs of Hermetia illucens at the control condition of 23-28 DEG C by using a semi-artificial feed, culturing larvae to three-aged larvae; (c) directly transferring the three-aged larvae into a treating pond filled with the excrements of livestock, and carrying gout excrement treatment; and (d) putting insect collecting buckets on the periphery of the treating pond, collecting and killing old and adult larvae entering the insect collecting buckets, drying, and grinding, so as to obtain the insect protein feed. According to the method, the problem of severe pollution of the excrements of the livestock is solved, meanwhile, the high-quality insect protein feed is provided, and the effective utilization of insect protein in livestock and aquaculture industries is promoted and becomes a way for solving the resource shortage of protein feeds in China.

The invention discloses a penaeus vannamei high-yield cultivation system which comprises greenhouse ponds, a water circulation system and blow-down systems, wherein the blow-down systems are positioned at the bottoms of the greenhouse ponds; the greenhouse ponds comprise a greenhouse breeding pond and a young shrimp breeding pond; the water circulation system comprises a water ecology regulation pond, the greenhouse breeding pond and a wastewater treatment pond; the water ecology regulation pond communicates with the greenhouse breeding pond; the wastewater treatment pond communicates with the blow-down system; the water ecology regulation pond and the wastewater treatment pond are all arranged outside the greenhouse pond; a comprehensive oxygenation system and an automatic cruise feeding machine are further arranged inside the greenhouse pond. The invention further discloses a breeding method for the penaeus vannamei high-yield cultivation system. According to the breeding method, young shrimps of 3.0-4.0cm are adopted as shrimp larvae for breeding. By adopting the penaeus vannamei high-yield cultivation system and the breeding method disclosed by the invention, the breeding rotations can be increased, four rotations of shrimps can be bred, the yield can be high, aquatic products can sold in the market in balance in four seasons, and the market supply can be increased.

The invention discloses a ship for clearing refuse in a river channel and relates to the technical field of shipbuilding. The ship comprises a ship body and a control cabin. A refuse fishing device is arranged on a prow of the ship body. The refuse fishing device comprises a rotary shaft arranged perpendicular to the heading direction of the ship body and fishing grabs arranged on the rotary shaft. Refuse conveyor belts arranged longitudinally are arranged close to the refuse fishing device in the ship body. A refuse treatment operation area is arranged in the middle of the ship body. A refuse treatment pond is arranged on the rear portion of the refuse treatment operation area. A sliding plate is arranged close to the tail ends of the refuse conveyor belts in the refuse treatment operation area. The front portion of the sliding plate is high, and the rear portion of the sliding plate is low. The lowest portion of the sliding plate extends into the refuse treatment pond. By adopting the ship for clearing refuse in the river channel, the problems of low clearing efficiency and unsafety in the process of manually fishing water surface floating refuse at present can be solved.

The invention discloses a rain water system for building districts of sponge cities. The rain water system is characterized by comprising a sedimentation pond, a distribution well, a treatment pond and overflow wells, wherein an environment-friendly rain water opening is formed in a position above the sedimentation pond, the sedimentation pond is connected with the distribution well through a water inlet pipe, a water inlet valve is arranged on the water inlet pipe, at least four distribution pipes are arranged on the left end surface of the distribution well, the distribution well is connected with the treatment pond through the distribution pipes, and the treatment pond is connected with the overflow wells through overflow pipes. A construction method of the rain water system comprises the following steps: (1) performing construction preparation; (2) excavating foundation pits; (3) performing foundation treatment; (4) building the sedimentation pond and the distribution well; (5) building the treatment pond and the overflow wells; (6) laying pipelines; and (7) performing ground treatment. The rain water system disclosed by the invention is simple in structure and high in practicability, and is used for collecting and treating rain water on the ground of building districts, so that the phenomenon of water accumulation on the ground of the districts is effectively avoided; and besides, rain water is collected, so that waste of water resources can be reduced.

The invention discloses a waste water treatment device for papermaking processing, which comprises a treatment pool body, a support frame is arranged above the treatment pool body, the support frame is connected with connection seats, and a motor is arranged between the connection seats. The output end of the motor is connected with a first rotating shaft, the first rotating shaft is provided with a driving gear, and both sides of the motor are provided with a second rotating shaft, and the second rotating shaft is connected to the supporting frame in rotation, and the second rotating shaft The bottom is fixedly connected to the drum. The flocculant is added to the drum through the reagent adding port, the driving gear is driven by the motor to drive the driven gear, and finally the drum is driven to rotate, and the reagent is thrown out through the small hole on the sleeve under the action of centrifugal force for stirring. After stirring The flocs fall into the bottom of the grid, and the heated flocs are more likely to coagulate. The invention can effectively recycle the fibrous solid matter in the papermaking wastewater, avoiding the waste of resources and saving the cost of papermaking.