Light-dark alternating folded plate type photobioreactor for sewage treatment

Abstract

The utility model discloses a light-dark alternating folded plate type photobioreactor for sewage treatment. Comprising a reactor shell, a water distributor connected to the reactor shell, a stirrer connected to the reactor shell, a plurality of electrode plates connected to the reactor shell, a power supply assembly connected to the electrode plates, a plurality of folded plates connected to the reactor shell, a plurality of shading plates connected to the reactor shell and a controller, the light shielding plates are made of light-proof materials, one light shielding plate is arranged every a plurality of folded plates, a water inlet and a water outlet are formed in the reactor shell, the water inlet is connected with the water distributor, a water outlet pipe is arranged on the water outlet, and the controller is electrically connected with the power supply assembly and the stirrer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bioreactor, especially a light and dark alternate folded plate type photobioreactor for sewage treatment. BACKGROUND

[0002] In the traditional sewage treatment plant, the organic matter rich in sewage is mainly converted into carbon dioxide, water and organic acid and other small molecular substances through the respiration of microorganisms, and the inorganic matter such as nitrogen and phosphorus in the sewage is mainly removed through the combination of physical and chemical treatment process and biological treatment process, after the sewage treatment, the nitrogen in the sewage is discharged into the air in the form of nitrogen, and the phosphorus is removed in the form of phosphate, however, the traditional biochemical treatment process and physical and chemical treatment process are difficult to realize the resource utilization of pollutants, the treatment efficiency is low, the traditional denitrification and phosphorus removal process needs to prolong the reaction time or improve the sewage reflux to improve the nitrogen and phosphorus removal effect in the sewage, it is not easy to maintain long-term stability, and more energy is consumed to achieve better denitrification and phosphorus removal effect, in order to solve the problems of low treatment efficiency, easy to be affected by environmental factors and low resource utilization rate in the actual wastewater treatment process, a new type of photobioreactor system is designed, so as to prolong the light contact time of microalgae in the photobioreactor, so as to realize the purpose of improving the treatment effect of pollutants, shortening the hydraulic retention time and improving the resource utilization rate of system heavy pollutants, therefore, based on the microalgae sewage biological treatment technology, a light and dark alternate runway pool photobioreactor is designed to improve the photosynthetic utilization rate of microalgae. SUMMARY

[0003] In order to solve the above problems, the utility model provides a kind of light and dark alternate folded plate type photobioreactor for sewage treatment, which can improve the utilization of light, promote the growth of microalgae, reduce energy consumption, and improve the treatment effect of system pollutants.

[0004] The utility model discloses a technical scheme: a light and dark alternate folded plate type photobioreactor for sewage treatment, comprising a reactor shell, a water distributor connected to the reactor shell, a stirrer connected to the reactor shell, a plurality of electrode plates connected to the reactor shell, a power supply assembly connected to the electrode plates, a plurality of folded plates connected to the reactor shell, a plurality of light shielding plates connected to the reactor shell and a controller, the folded plates are connected in sequence, the light shielding plates use light-proof materials, and a light shielding plate is set every several folded plates, the reactor shell is provided with a water inlet and a water outlet, the water inlet is connected to the water distributor, the water outlet is provided with a water outlet pipe, and the controller is electrically connected to the power supply assembly and the stirrer.

[0005] Adopting the technical scheme, first, the sewage enters the water distributor through the water inlet, then the sewage is uniformly distributed in the reactor shell through the water distributor, then the sewage flows to the water outlet along the inside of the folded plate, and the controller controls the stirrer to start working, so that the sewage and the microalgae are stirred together for sufficient reaction, since a light shield is arranged every several folded plates, when the sewage and the microalgae enter the light shield, the light and dark alternation is realized, so that the photosynthetic efficiency of the microalgae is improved, and the sewage treatment efficiency is further improved, meanwhile, the controller controls the power assembly to provide power for the electrode plate, the electrode plate electrolyzes the sewage, so that the sewage treatment is further completed, when the sewage treatment is completed, the sewage is discharged into the water outlet pipe through the water outlet.

[0006] The further setting of the utility model discloses: still include solar light board, solar light board with power assembly electricity is connected.

[0007] Adopting the technical scheme, since the solar light board is electrically connected with the power assembly, when the sun is shining, the solar light board can convert solar energy into electric energy and store the electric energy in the power assembly, so that subsequent electrolysis work can be carried out, and energy consumption can be further reduced.

[0008] The further setting of the utility model discloses: one hole partition is arranged between the adjacent two folded plates, a plurality of through holes are arranged on the hole partition, and the through holes are evenly arranged around the center axis of the partition.

[0009] Adopting the technical scheme, since the hole partition is arranged between the adjacent two folded plates, when the microalgae pass through the hole partition, the hole partition can settle and separate the microalgae, so that the microalgae can be prevented from being discharged from the reactor shell with the sewage, the microalgae and pollutants in the algae liquid can be fully mixed, the homogenization of the pollutants is promoted, the biological residence time of the microalgae in the reactor is prolonged, and the sewage treatment efficiency of the microalgae is improved.

[0010] The further setting of the utility model discloses: one light shield is arranged every interval folded plate, and the light shield covers the surface of the folded plate.

[0011] Adopting the technical scheme, since the light shield is arranged every interval folded plate, the light and dark alternation efficiency can be improved, so that the photosynthetic efficiency of the microalgae is further improved, and the sewage treatment efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] ATTACH Fig. 1 It is a structure schematic view of a light and dark alternation folded plate type photobioreactor for sewage treatment of an embodiment of the utility model.

[0013] ATTACH Fig. 2The utility model discloses a structure diagram of a light and dark alternate folded plate type photobioreactor for sewage treatment.

[0014] Attached Fig. 3 The utility model discloses a sectional view in a light and dark alternate folded plate type photobioreactor for sewage treatment.

[0015] 1-reactor shell, 2-water distributor, 3-stirrer, 4-electrode plate, 5-power assembly, 6-folded plate, 7-shading plate, 8-controller, 9-water inlet, 10-water outlet, 11-water outlet pipe, 12-solar light plate, 13-perforated baffle, 14-through hole. Specific embodiments

[0016] As Figs. 1-3 Shown, a kind of light and dark alternate folded plate type photobioreactor for sewage treatment, including reactor shell 1, connect in reactor shell 1 water distributor 2, connect in reactor shell 1 stirrer 3, connect in reactor shell 1 several electrode plates 4, connect in electrode plate 4 power assembly 5, connect in reactor shell 1 several folded plates 6, connect in reactor shell 1 several shading plates 7 and controller 8, the folded plate 6 is connected in turn, the shading plate 7 uses light-tight material, every several folded plates 6 are provided with one shading plate 7, the reactor shell 1 is equipped with water inlet 9 and water outlet 10, the water inlet 9 is connected with water distributor 2, the water outlet 10 is equipped with water outlet pipe 11, the controller 8 is electrically connected with power assembly 5 and stirrer 3.

[0017] First, sewage enters water distributor 2 through water inlet 9, then evenly distributes sewage in reactor shell 1 through water distributor 2, then sewage flows to water outlet 10 along the inside of folded plate 6, and stirrer 3 starts to work by controller 8, so that sewage and microalgae are stirred together for sufficient reaction, since every several folded plates 6 are provided with one shading plate 7, when sewage and microalgae enter shading plate 7, light and dark alternation is carried out, so as to improve photosynthetic efficiency of microalgae, thereby further improving treatment efficiency of sewage, at the same time, power assembly 5 provides power for electrode plate 4 by controller 8, and electrode plate 4 electrolyzes sewage, so as to further complete treatment work of sewage, when sewage treatment is completed, sewage is discharged into water outlet pipe 11 through water outlet 10.

[0018] Further include solar light plate 12, the solar light plate 12 is electrically connected with power assembly 5, since solar light plate 12 is electrically connected with power assembly 5, when sunshine is bright, solar energy is converted into electric energy by solar light plate 12 and stored in power assembly 5, so as to carry out electrolysis work subsequently, which can further reduce energy consumption.

[0019] A perforated partition 13 is arranged between two adjacent folding plates 6, and a plurality of through holes 14 are arranged on the perforated partition 13 and evenly surround the central axis of the partition. Since the perforated partition 13 is arranged between two adjacent folding plates 6, when the microalgae pass through the perforated partition 13, the perforated partition 13 can separate and settle the microalgae, thereby avoiding the microalgae from being discharged from the reactor shell 1 with the sewage, effectively realizing the full mixing of the microalgae and the pollutants in the algae liquid, promoting the homogenization of the pollutants, prolonging the biological residence time of the microalgae in the reactor, and improving the sewage treatment efficiency of the microalgae.

[0020] An optical shielding plate 7 is arranged every other folding plate 6, and the optical shielding plate 7 covers the surface of the folding plate 6.

[0021] Since the optical shielding plate 7 is arranged every other folding plate 6, the light-dark alternation efficiency can be improved, thereby further improving the photosynthetic efficiency of the microalgae and the treatment efficiency of the sewage.

Claims

1. A light-dark alternating plate photobioreactor for wastewater treatment, characterized in that: The utility model relates to a reactor, including reactor shell, be connected to the water distributor of reactor shell, be connected to the stirrer of reactor shell, be connected to the several electrode plates of reactor shell, be connected to the power supply assembly of electrode plate, be connected to the several folding plates of reactor shell, be connected to the several light shielding plate of reactor shell and controller, the folding plate is connected in proper order, the light shielding plate uses the material that does not pass light, every other folding plate sets up a light shielding plate, be equipped with the water inlet and water outlet on the reactor shell, the water inlet is connected with the water distributor, be equipped with the water outlet pipe on the water outlet, the controller is electrically connected with power supply assembly and stirrer.

2. The alternating light and dark folded plate photobioreactor for wastewater treatment according to claim 1, characterized in that: It also includes a solar light panel, which is electrically connected to the power supply assembly.

3. The alternating light and dark folded plate photobioreactor for wastewater treatment according to claim 1, characterized in that: A perforated baffle is provided between two adjacent folding plates, the perforated baffle is provided with a plurality of through holes which are evenly arranged around the center axis of the baffle.

4. The alternating light and dark folded plate photobioreactor for wastewater treatment according to claim 1, characterized in that: A light shielding plate is provided every other folding plate, which covers the surface of the folding plate.

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