97 results about "Protein skimmer" patented technology

An intensive circulating water culture system comprises at least one water purification system which is configured in an aquaculture pond and mainly composed of a water pump, a filter and a sterilizing device. The water pump is at least arranged between a return water regulating pond and a sand filter tank, and the sand filter tank is then sequentially connected with a biofilter and a protein skimmer to form the filter; the water purification system is configured with a dissolved oxygen release device, and the device oxygenates the water purification system by connecting with the protein skimmer; and the water purification system is configured with an ozone generator and an automatic temperature regulating unit which are connected with the water purification system respectively by pipelines. The intensive circulating water culture system is characterized by simple structure, small occupied space, low cost, good circulating water treatment effect, meeting requirements for intensive aquaculture and the like.

An internal marine aquarium filter that provides within a single enclosure protein skimming, biological, mechanical and chemical filtration where the unit creates direct adjustable current for the aquarium independent of the activities of filtration and uses one interchangeable pump which can be of different size and manufacture. The unit is comprised of an outer casing with dedicated areas for biological, mechanical and chemical filtration, a removable protein skimmer with collection cup and lid, a removable plumbing assembly connected to a submersible pump, which performs filtration, protein skimming and creates a direct adjustable water current inside the aquarium independent of all other functions, and has sponge filters that provide a place for biological activity. The function and configuration of the unit perform vertically as to minimize its size, wherein the resulting benefits thereof are of compactness, efficiency, reliability, quietness, multifunctionality, ease of use, economics, aesthetics and overall performance.

The invention discloses a seawater recirculating aquaculture system which comprises a fish pond, an oxygen dissolving tank, an aeration aerator, a first microorganism purifying pond, a second microorganism purifying pond, a rapid filter, a full automatic microstrainer, a protein separator, a temperature adjusting pond, an ultraviolet sterilizer, a water quality monitoring system and a circulation pump. The water quality monitoring system comprises a single chip microcomputer and a sensor. The factory-like seawater fish aquaculture system can greatly reduce investment cost of seawater factory-like recirculating aquaculture and energy consumption in the aquaculture process, improves seawater resource utilization rate, saves energy, protects environment, recycles aquaculture waste and has the advantages of being simple in process and fewer in required water treatment devices and the like.

A compact, improved injector-mixer for injecting and thoroughly mixing fine bubbles of air into a contaminated water stream from a fish tank is disclosed. Water is pumped down through an injection section of the present invention where air is injected into the stream by an improved Venturi construction. The mixture then flows into an improved mixing section, vertically disposed within a protein skimmer chamber, where it is thoroughly mixed such that the plethora of small air bubbles have a greater chance to bond with the contaminants of the water, the contaminants becoming buoyant as a result. Upon introduction of the mixture into the protein skimmer chamber, the bubbles of air and contaminants attached thereto rise to the top of the protein skimmer column to be contained, while the filtered and oxygenated water is returned to the tank through a base of the protein skimmer chamber.

The invention relates to a circulating water culture system, in particular to a circulating water culture system suitable for an outdoor large-area culture pond. The circulating water culture system comprises a culture pond and a solid dirt separator, a protein separator, a biological purification tank, an aeration tank and an ultraviolet sterilization tank sequentially connected through a water pipe, wherein the culture pond is arranged outdoors; and the solid dirt separator, the protein separator, the biological purification tank, the aeration tank and the ultraviolet sterilization tank are arranged indoors. Water treated by the system can reach the culture standard, and the system has a simple structure and is easy to be grasped by a common culturist; and moreover, an artesian manner is adopted in a biological filter, a carbon dioxide removing tank, the ultraviolet sterilization tank and a reflow pond, energy consumption is reduced and cost is lowered.

The present invention relates to a container for transporting live fish, in which a protein skimmer is installed together with a fish tank in an interior of a cargo room of the container, bubbles discharged from the protein skimmer are stored in a large-capacity bubble tank, a water cooler having a refrigerating unit is installed in a container driver unit such that water discharged from the fish tank is cooled and resupplied to the fish tank, or water cooled by the water cooler can be brought into contact with the external air while the water is being injected into a dry filtering tank installed on the fish tank, and a filtering member impregnated with microorganisms that have been cultured therein is arranged in the dry filtering tank.

The invention discloses a totally-enclosed high density small water body automatic intelligent aquatic product culture system comprising a central controller, a plurality of culture boxes and an air water processing box; a physics filter tank, a protein separator, a biological purifying tank, an ozone sterilizer, an ultraviolet light sterilizer, a water quality equalizing tank, and an air filter are arranged in the air water processing box; a neutralizing device, an oxygenation device and an electric heater are arranged in the water quality equalizing tank; the air water processing box is respectively connected with each culture box; outlet water of the culture boxes are processed by the air water processing box, and enters the culture boxes for cycle utilization; air in the culture box is connected with the air water processing box, and filtered by the air filter for cycle circulation. The central controller comprises a culture box control module, an air water processing control module, and a water quality parameter monitor and control module; the totally-enclosed high density small water body automatic intelligent aquatic product culture system is simple in structure, smart in design, combines water quality parameter monitor and control with water processing and remote control, thus realizing automatic culture purpose.

An injector-mixer for injecting and thoroughly mixing fine bubbles of air into a contaminated water stream from a fish tank is disclosed. Water is pumped down through an injection section of the present invention where air is injected into the stream by an improved Venturi construction. The mixture then flows into an improved mixing section, where it is thoroughly mixed such that the plethora of small air bubbles have a greater chance to bond with the contaminants of the water, the contaminants becoming buoyant as a result. Upon introduction of the mixture into the protein skimmer column, the bubbles of air and contaminants attached thereto rise to the top of the protein skimmer column to be contained, while the filtered and oxygenated water is returned to the tank.

Injection-type protein skimmers are described, especially applicable to removal of protein contaminants from aquarium water.

A protein skimmer for filtering and cleaning water in an aquarium having a foam generating assembly having an air chamber (73) and a nozzle (74) in the air chamber, the nozzle being provided with a plurality of air holes (741) and being connected to an inlet tube (71), the inlet tube communicating with a foam cavity within a vertical guide tube (20) for foam, the guide tube (20) generally being tapered as a whole and including an open upper end (202), a bottom end (203) and a hollow cone-shaped circumferential wall being formed between the upper end and the bottom end and encircling the foam cavity (21) thereby tapering toward and communicating with the upper end (202).

An internal marine aquarium filter that provides protein skimming, biological, mechanical and chemical filtration is disclosed. The filter creates direct adjustable current for the aquarium independent of the activities of filtration and uses a pump. The filter includes an outer casing with dedicated areas for biological, mechanical and chemical filtration, a selectively removable protein skimmer with collection cup and optional lid, a selectively removable plumbing assembly connected to the pump. An optional surface debris filtering function is also disclosed.

The invention relates to a seawater recirculating aquaculture system and belongs to the field of seawater aquaculture. The seawater recirculating aquaculture system can treat and reuse aquaculture water for solving the problem that seawater aquaculture and land breeding contaminate surrounding water environments. The system comprises an automatically controlled microfiltration unit, a low level pool, an integrated biological filtration tank, a protein skimmer, a channel type ultraviolet sterilizer, a cold and heat exchanger and an oxygen dissolution device which are connected sequentially. The automatically controlled microfiltration unit and a pipe oxygen dissolution device are respectively connected to a fish pond. The low level pool is provided with a circulating pump for pumping the water to the integrated biological filtration tank. The protein skimmer is matched with an ozone generator. The seawater recirculating aquaculture system can circulate and reuse water in an offshore land-based breeding pool to achieve the effect of water-saving, energy-saving, environment-friendly and pollution-free healthy breeding.

The invention relates to a transporting equipment system and process for fishes, in particular to a vehicle-mounted equipment system for transporting live freshwater fishes for long distance, which comprises a main circulating water treatment system, an auxiliary circulating water treatment system and a pure oxygen supply system, wherein the main circulating water treatment system comprises a fishing box (2), a large-flow water conveying pump (12), a solid matter filtering device (13), an ammonia nitrogen absorbing and removing device (14) and two water chilling units (15); the auxiliary circulating water treatment system comprises a fishing box (2), a small-flow water conveying pump (7), a vehicle protein separator (8), a carbon dioxide removing device (10), an air blower (11) and a water-replenishing water tank (4); and the pure oxygen supply system comprises a liquid oxygen tank (3), a pure oxygen gas distributor, an oxygen flow display (24) and an oxygen aerator pipe (22) connected with a gas conveying pipe. The equipment system also comprises a water quality detecting and monitoring system and a power supply system of a diesel-electric set (19). The technology in the invention is used for describing the main process, and various kinds of system equipment are combined and configured to generate a special effect so as to achieve the purpose of transporting live freshwater fishes in a large-scale, high-density and vehicle-mounted long-distance manner.

The invention discloses a water circulation treatment system of an outdoor high-level shrimp tank. The system comprises a filter, a protein separator, a denitrification degasser and an oxygen-increasing device. The filter, the protein separator and the denitrification degasser are communicated in turn. Cultivation water in the shrimp tank is subjected to solid-liquid separation, dissolved organicmatter separation and decomposition of poisonous ammoniacal nitrogen compound and nitrous acid compound in turn. The treated cultivation water back flows into the shrimp tank to be used. An aeration part of the oxygen-increasing device is positioned in the shrimp tank so that dissolved oxygen in the cultivation water is increased. The water circulation treatment system further comprises a dissolved oxygen detection pen arranged in the shrimp tank. The dissolved oxygen detection pen is used for transmitting a detected dissolved oxygen numerical value of the cultivation water to an electric control system. The electric control system is used for controlling the oxygen-increasing device according to a comparison result of the dissolved oxygen numerical value and a set value. The water circulation treatment system of the outdoor high-level shrimp tank disclosed by the invention is capable of promoting independent self-purification treatment of water for intraregional shrimp cultivation.

The invention provides a protein separator for live fish transportation which is different from a traditional protein separator. The invention pumps waste water in a fish container and preprocessed cooling water into the separator body for confluence and mutual disturbance through two sets of ejectors connected in parallel (meanwhile, the ejectors inhale pure oxygen gas to fully blend with ejecting water flow according to the working principle of Venturi) and blend again with micro bubbles released from a dissolved oxygen aeration micropore pipe component, then rising turbulent water flow is generated after combined action. During the motor process of water flow from bottom to top, a large number of micro bubbles constantly coacervate with protein, fiber, suspended particle and jelly and the like in water body to become larger and larger and generate air floating effect, ensuring soiling in the water body to rise in the form of concentrated bubbles to the pipe and be outputted by a drainage tube, thus organic hazardous substances in the water body and the like are effectively separated and wiped out; meanwhile clean water separated from injurants such as protein and the like refluxes to the fish container through a effluent drainage tube which is connected with a drain pipe, thereby realizing the purpose of the invention.

The invention discloses a water environment processing system of aquatic culture, comprising a microstrainer, a protein separator, a denitrification degasser and an ozone generator which is connected with the protein separator. A water outlet pipe of the denitrification degasser communicates with an aquatic culture pond. A pipe communicating the denitrification degasser and the aquatic culture pond is provided with a thermostat to keep constant temperature of the water therein, a denitrator to remove nitrate from the water, and a total alkalinity regulator to regulate the pH value of the water environment. Solid-liquid separation of the culture water in the aquatic culture pond is realized by the microstrainer, the dissolved organic matter separation by the protein separator, and the poisonous ammonia nitrogen compounds and nitrous compounds decomposition by nitrobacteria and nitrite bacteria in the denitrification degasser. The processed culture water is recycled into the aquatic culture pond for use. The bacteria and other pathogen microbe are removed by the ozone generator to achieve the aim of culture water zero release.

A protein skimmer for purifying water in a reservoir, aquarium or with a circulation system includes one or more discharge tubes for water from the reservoir to a pump for circulation of the water, and a return tube for water directly or indirectly from the pump to the reservoir. The return tube includes at least one generally horizontal, straight portion having one or more upwardly directed side branches which has an opening leading to air, in which the generally horizontal straight portion is arranged for rapid passage of the water past the side branch and to have the water level at or above the intersection of the side branch with the straight portion, and in which the side branch is directed rearward relative to the direction of the water flow in the straight portion, and forms a first angle with between 0° and about 90° with the straight portion.

A method of cultivating aquatic product and plant contains steps of: (A) Preparing a cultivation tank with cultivation water; (B) Aerating the cultivation water; (C) Drawing overflow water in a top of the cultivation tank and foul water in a bottom of the cultivation tank into a protein separator and a first ultrafiltration unit; (D) Collecting bubbled fluid from the protein separator and concentrated waste fluid from the first ultrafiltration unit into a collection chamber; (E) Pumping the cultivation wastewater into a second ultrafiltration unit and filtering the cultivation wastewater by using ultrafiltration films of the second ultrafiltration unit; (F) Discharging cloudy high-protein concentration fluid into a first gathering bucket; (G) Pumping filtered fluid filtered by the plurality of ultrafiltration films of the second ultrafiltration unit into a Nano-filtration unit; and (H) Flowing the recyclable water into the cultivation tank from the recycle tank.