Microalgae culturing device capable of being cleaned on line

Abstract

The invention discloses a microalgae culturing device capable of being cleaned on line. The microalgae culturing device comprises two groups of pipelines, pipeline valves (4), cleaning brushes (3), a controller (1) and a reciprocating pump (2), wherein the two groups of pipelines are in a structure of connecting a guide pipe with pipeline groups (5) arranged in parallel; one pipeline group is connected with a feeding hole of the reciprocating pump at the bottom end of the parallel outer pipeline; the other pipeline group is connected with a discharging hole of the reciprocating pump at the upper end of the parallel outer pipeline; the pipeline valves are arranged at the front ends of the pipelines; the cleaning brushes are spherical and are freely arranged in each pipeline; and the controller controls the reciprocating pump to be started or stopped. The invention can overcome the influence from external conditions, effectively control the scale, the volume, the specific surface area and the floor area, solve the problem that somatic cells stick to the wall due to competition on the aspects of nutrition and illumination, realize automatic cleaning on line all day, and lower the production cost.

Description

technical field [0001] The invention belongs to the technical field of microalgae bioengineering and on-line scrubbing microalgae cultivation device structure. Background technique [0002] As an important renewable resource, microalgae have the outstanding characteristics of wide distribution, large biomass, high photosynthetic efficiency, strong environmental adaptability, short growth cycle, and high yield. The further development and utilization of microalgae will provide new resources, such as microalgae protein, biodiesel or aquatic bait. [0003] However, microalgae resources in nature are widely distributed and there are many types. The development of microalgae resources needs to be monocultured and scaled up. At present, the devices mainly used in the development of microalgae resources are open and closed. Open types include: runway-type shallow water layer devices, curtain-type devices, etc. Although these devices are low in cost, because they are open, the co...

AI Technical Summary

Problems solved by technology

These devices can overcome the influence of external conditions, and can effectively control the scale, volume, specific surface area, and occupied area, and can improve gas exchange and increase its utilization rate. Autotrophic organisms are very sensitive to parameters such as temperature, pH value, dissolved oxygen, medium concentration, and light intensity during growth. Due to competition between cells for nutrients and light, serious adhesion phenomenon is formed, and light is weakened after adhesion If it reaches the inside of the reactor, it will affect the growth and reproduction of the internal algae cells. If it is beaten by external force or strong mechanical centrifugal force, it will easily cause the wall of the device to break and cause culture failure; the algae cells are very fragile, and the cell wall is fragile. Mechanical delivery must be gentle and flexible without shear

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