7 results about "Airlift pump" patented technology

The invention relates to an airlift pump system for conveying solid particles in underwater mining. The airlift pump system comprises a material collecting system, a lifting system, a pneumatic regulation and control system, a recycling system and the like. The material collecting system collects solid particles and guides the solid particles to a lifting opening of the lifting system, the material collecting system comprises a material containing hopper, a material guiding groove, a material collecting table and the like, the lifting system lifts and separates the solid particles and a liquid mixture, and the lifting system comprises an inclined hole air lift pump and a lifting pipe; the pneumatic regulation and control system comprises an electromagnetic valve, a plurality of auxiliary gas injection chambers, an optical fiber strain sensor, a microwave concentration sensor and the like. The recovery system comprises a gas-liquid separator, an axial flow turbine generator, an energy storage device, a stock bin and the like. Pipeline vibration and ore pulp concentration are monitored in real time through the optical fiber strain sensor and the concentration sensor, a PLC control algorithm is combined, the conventional operation mode, the vibration suppression operation mode and the anti-blocking operation mode are automatically switched, and the safety and stability of the airlift pump are greatly improved. The micro axial flow turbine generator is additionally arranged at the exhaust end, and tail gas kinetic energy is converted into electric energy.

To provide improvement of the wastewater treatment capacity of a wastewater treatment apparatus using wood chips.SOLUTION: A wastewater treatment apparatus 1 for purifying and treating wastewater is provided with: a treatment tank 2 partially or wholly buried underground; a wood chip layer 9 formed by wood chips deposited in the treatment tank 2; an airlift pump 20 disposed outside the treatment tank 2; and a water sending pipe 25 for sending wastewater into the wood chip layer 9. The treatment tank 2 is configured so as to be permeable from inside to outside, wherein the airlift pump 20 has an outer tube 21 extending in a vertical direction into which wastewater is supplied, a lifting pipe 22 arranged inside the outer tube, and an air sending pipe 23 that sends air inside the lifting pipe 22, and one end of the water sending pipe 25 is connected to the lifting pipe 22 and the other end of the water sending pipe 25 is located inside the treatment tank 2.SELECTED DRAWING: Figure 1

There is provided a tank for farming aquatic organisms comprising: a first tank wall enclosing a tank space arranged to contain water and aquatic organisms to be farmed, optionally, a plurality of elongated support structures fixed onto a lateral surface of the first tank wall, an airlift pump comprising a vertical riser channel (27, 47, 57, 67), the airlift pump comprising a water outlet connected to the tank space, wherein the water outlet is configured to output aerated water into the tank space, wherein the vertical riser channel (27, 47, 57, 67) is integrally connected or integrated to the first tank wall along a height of the vertical riser channel (27, 47, 57, 67).

The utility model relates to a kind of pneumatic pump ecological dredging system, including first air lift pump, second air lift pump behind first air lift pump and with the fixed connection of second air lift pump soil breaking device, air lift pump ecological dredging device is moved forward in water and carries out dredging operation, during forward dredging operation, first air lift pump first surface layer organic matter soil under water, floating mud, flow mud and silt suction and lift discharge outside water body, expose lower layer hard bottom mud;Then soil breaking device loosens and breaks exposed lower layer hard bottom mud;Finally, second air lift pump suction hard bottom mud after loosening and breaking by soil breaking device and lift discharge outside water body.The utility model is improved by the existing air lift pump dredging device, which can effectively prevent the diffusion pollution of bottom mud during dredging, and can also efficiently remove hard bottom mud, using air lift pump to realize real ecological environmental protection dredging.

This document describes a gas streaming device for use between an injection port and a mixing chamber within an airlift pump, and an airlift pump with the gas streaming device. The gas streaming device includes a planar plate with multiple holes extending therethrough, where the holes are dimensioned to direct the gas into multiple micro-streams for streaming air from the injection port into the mixing chamber. An airlift pump in combination with such a gas streaming device is useful for removing anomalously high concentrations of dissolved gas in a liquid. The increased efficiency for this invention may also enable this type of pump to be economic in other applications where it is desirable to lift a liquid or induce flow.

Light, heat, gas exchange, and water motion are all required elements to sustain aquatic photosynthetic organisms. Rather than providing separate systems, a flux of photons appropriate for photosynthetic organisms, including algae, is dispersed throughout the surrounding water. A gas source performs water movement and circulation by acting as an airlift pump while performing a liquid-gas mass transfer. Finally, heat is added to the surrounding liquid by a heat source or the light source, which increases the rate at which microorganisms grow and improve efficiencies. By combining these necessary components for aquatic life support, efficiencies are increased, costs are saved, and photosynthetic organism growth is regulated.