Microalgae carbon sequestration device

Abstract

The utility model relates to the technical field of ecological environmental protection, in particular to a microalgae carbon sequestration device which comprises a box body, a top frame is installed on the top of the box body, a gas guide pipe is installed on the top frame, the bottom end of the gas guide pipe is rotatably connected with a rotating pipe inserted into the box body in a sliding mode, and the top of the box body is connected with a backflow pipe connected with the gas guide pipe. A return pipe is arranged in the box body, a one-way valve is arranged on the return pipe, the top end of the rotating pipe is in transmission connection with a driving assembly, a fixed ring is fixed on the inner side of the box body, and a gas distribution assembly arranged outside the rotating pipe in a sleeving manner is arranged in the fixed ring. And redundant gas enters the gas guide pipe again from the return pipe, so that the cyclic dissolution work of the carbon dioxide gas is completed, excrement deposited in the collecting hopper is cleaned, and the excrement is conveniently and intensively guided out of the box body from the blow-off pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to ecological environmental protection technical field, concretely is a kind of microalgae carbon fixation device. BACKGROUND

[0002] In the current research of carbon dioxide treatment, the research of carbon reduction using the photosynthesis of microalgae is increasingly valued by the world, and the microalgae carbon fixation technology is a process of converting a large amount of carbon dioxide into biomass by microorganisms. Microalgae has the advantages of high photosynthetic rate, rapid reproduction and strong environmental adaptability, which is equivalent to 10-50 times of the carbon fixation capacity of forests. The carbon dioxide fixed by microalgae photosynthesis accounts for more than 40% of the global carbon dioxide fixation amount every year. At the same time, it is also a "genius" in purifying black and odorous water bodies and improving soil, and has a wide application scenario in environmental protection and restoration.

[0003] In the current cultivation process of algae, carbon dioxide is not easy to dissolve in the culture solution, and most of the carbon dioxide gas flow will overflow from the culture solution, which is not convenient for secondary recovery, causing direct emission problems, and it is also not convenient for cleaning the sedimentary excrement of algae. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the utility model is to provide a microalgae carbon fixation device to solve the problems raised in the background art.

[0005] The technical scheme of the utility model is: a microalgae carbon fixation device, comprising a box body, a top frame is installed on the top of the box body, a gas guide pipe is installed on the top frame, a rotating pipe is rotatably connected to the bottom end of the gas guide pipe and slides in the box body, a reflux pipe connected with the gas guide pipe is connected to the top of the box body, a one-way valve is installed on the reflux pipe, a driving assembly is drivingly connected to the top end of the rotating pipe, a fixed ring is fixed inside the box body, a gas distribution assembly is installed in the fixed ring and covers the outside of the rotating pipe, a collecting hopper is fixed to the bottom of the box body, a sewage pipe extending to the outside of the box body is connected to the bottom end of the collecting hopper, and a scraping assembly is fixed to the bottom end of the rotating pipe and is in close contact with the inside of the collecting hopper.

[0006] The above components achieve the following effects: the box body can be used for cultivating algae, the gas guide pipe can introduce carbon dioxide gas below the gas distribution assembly, the gas dissolves in the culture solution through the gas distribution assembly, and the excess gas reenters the gas guide pipe from the reflux pipe to complete the cyclic dissolution of carbon dioxide gas. In addition, the driving assembly can drive the scraping assembly at the bottom end of the rotating pipe to rotate, clean the excrement deposited in the collecting hopper, and conveniently guide the excrement out of the box body from the sewage pipe.

[0007] Preferably, the air distribution assembly comprises a guide hopper sleeved outside the rotating pipe, a connecting plate is fixed between the outer wall of the guide hopper and the inner wall of the fixed ring, a plurality of annularly distributed windows are formed in the guide hopper, and air-permeable cloth is arranged in the windows.

[0008] The effect achieved by the above-mentioned components is that the guide hopper can guide the excrement of algae, so that the excrement falls into the bottom of the box through the gap between the fixed ring and the bottom end of the guide hopper, and the air-permeable cloth can disperse carbon dioxide bubbles to promote the dissolution of the gas.

[0009] Preferably, a plurality of annularly distributed shunt pipes are fixed at the bottom end of the rotating pipe, and air guide holes are formed in the bottom of the shunt pipes.

[0010] The effect achieved by the above-mentioned components is that the shunt pipes can rotate synchronously with the rotating pipe, so that the carbon dioxide gas guided out of the air guide holes uniformly contacts the air-permeable cloth, and the carbon dioxide dissolution effect is further improved.

[0011] Preferably, the material scraping assembly comprises a rotating shaft fixed at the bottom of the rotating pipe, and a scraper is fixed at one side of the bottom end of the rotating shaft and abuts against the inner side wall of the collecting hopper.

[0012] The effect achieved by the above-mentioned components is that the scraper at the bottom end of the rotating shaft can clean the inner wall of the collecting hopper during rotation.

[0013] Preferably, the driving assembly comprises a driving motor installed at the top of the box, and a driving gear is fixed to the output shaft of the driving motor and engages with a driving gear fixed at the top end of the rotating pipe.

[0014] The effect achieved by the above-mentioned components is that the driving motor can drive the rotating pipe in cooperation with the driving gear and the transmission gear.

[0015] Compared with the prior art, the microalgae carbon fixation device has the following improvements and advantages:

[0016] Firstly, the box can culture algae, the air guide pipe can introduce carbon dioxide gas into the lower part of the air distribution assembly, the gas penetrates the air distribution assembly and dissolves into the culture solution, and the excess gas reenters the air guide pipe from the reflux pipe, so that the carbon dioxide gas is recycled and dissolved.

[0017] Secondly, the algae excrement can be guided by the material guiding hopper, so that the excrement falls into the bottom of the box through the gap between the fixed ring and the bottom end of the material guiding hopper, the air-permeable cloth can disperse the carbon dioxide bubbles, promote the gas dissolving, the shunt pipe can rotate synchronously with the rotating pipe, so that the carbon dioxide gas guided from the air guiding hole and the air-permeable cloth are uniformly touched, and the carbon dioxide dissolving effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be explained further in combination with the drawings and examples:

[0019] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Fig. 2 It is the cross section three-dimensional structure schematic diagram of the box of the utility model;

[0021] Fig. 3 It is the cross section structure schematic diagram of the box of the utility model.

[0022] Mark explanation:

[0023] 1, the box is 2, the top frame is 3, the air guiding pipe is 4, the driving assembly is 5, the rotating pipe is 6, the backflow pipe is 7, the fixed ring is 8, the cloth air assembly is 81, the material guiding hopper is 82, the air-permeable cloth is 83, the connecting plate is 9, the blow-off pipe is 10, the shunt pipe is 11, the rotating shaft is 12, the scraper is 13, the collecting hopper is 13. DETAILED DESCRIPTION

[0024] The utility model will be explained further in combination with the drawings and examples:

[0025] The utility model discloses a kind of microalgae carbon fixation devices by improvement, and the technical scheme of the utility model is:

[0026] In the embodiment of the utility model, Figs. 1-3As shown, a kind of microalgae carbon fixation device, including box 1, box 1 top is equipped with top frame 2, top frame 2 is equipped with air guide pipe 3, air guide pipe 3 bottom end is rotatably connected with sliding in the rotating pipe 5 of box 1 inside, box 1 top is connected with the backflow pipe 6 connected with air guide pipe 3, backflow pipe 6 is equipped with one-way valve, and excess gas is re-entered air guide pipe 3 from backflow pipe 6, and the circulation of carbon dioxide gas is dissolved into work, and the top end of rotating pipe 5 is drivingly connected with driving assembly 4, driving assembly 4 includes the driving motor installed on the top of box 1, the output shaft of driving motor is fixed with driving gear, and the top end of rotating pipe 5 is fixed with the driving gear engaged with driving gear, and driving motor can be matched with driving gear and transmission gear to drive the purpose of rotating pipe 5, and the inner side of box 1 is fixed with fixed ring 7, and the fixed ring 7 is equipped with air distribution assembly 8 sleeved on the outside of rotating pipe 5, air distribution assembly 8 includes guide chute 81 sleeved on the outside of rotating pipe 5, and connecting plate 83 is fixed between the outer wall of guide chute 81 and the inner wall of fixed ring 7, a plurality of annularly distributed windows are formed in guide chute 81, and air-permeable cloth 82 is arranged in the window, guide chute 81 can guide the material of algal excrement, so that excrement falls into the bottom of box 1 from the gap between fixed ring 7 and the bottom end of guide chute 81, and air-permeable cloth 82 can disperse carbon dioxide bubbles and promote gas dissolution work, the bottom end of rotating pipe 5 is fixed with a plurality of annularly distributed shunt pipes 10, the bottom of shunt pipe 10 is equipped with equidistantly distributed air guide holes, shunt pipe 10 can rotate synchronously with rotating pipe 5, so that carbon dioxide gas guided from air guide hole is uniformly contacted with air-permeable cloth 82, to further improve the carbon dioxide dissolution effect, the bottom of box 1 is fixed with collecting hopper 13, collecting hopper 13 is connected with the bottom end of the sewage pipe 9 extending to the outside of box 1, the bottom end of rotating pipe 5 is fixed with the scraping assembly abutting the inner side of collecting hopper 13, and the scraping assembly includes the rotating shaft 11 fixed on the bottom of rotating pipe 5, the bottom end of rotating shaft 11 is fixed with the scraper 12 abutting the inner wall of collecting hopper 13, and the scraper 12 at the bottom end of rotating shaft 11 can clean the inner wall of collecting hopper 13 when rotating.

[0027] The working principle of the microalgae carbon fixation device is as follows: the box body 1 can be used for culturing algae, the gas guide pipe 3 can guide the carbon dioxide gas into the gas distribution assembly 8 below, the overflow pipe 10 can rotate synchronously with the rotating pipe 5, so that the carbon dioxide gas guided from the gas guide hole and the air-permeable cloth 82 are uniformly touched, the gas permeates the gas distribution assembly 8 and dissolves into the culture solution, the excess gas reenters the gas guide pipe 3 from the backflow pipe 6, the circulation and dissolution of the carbon dioxide gas are completed, the material guide hopper 81 can guide the excrement of the algae, so that the excrement falls into the bottom of the box body 1 from the gap between the fixed ring 7 and the bottom end of the material guide hopper 81, the air-permeable cloth 82 can disperse the carbon dioxide bubbles and promote the gas dissolution, in addition, the driving assembly 4 can drive the scraping assembly at the bottom end of the rotating pipe 5 to rotate, the scraper 12 at the bottom end of the rotating shaft 11 can clean the excrement deposited in the collecting hopper 13 during rotation, and the excrement can be conveniently guided out of the box body 1 from the sewage pipe 9.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A microalgae carbon fixation device comprising a box (1), the top of which is provided with a top frame (2), characterized in that: The top frame (2) is provided with an air guide pipe (3), the bottom end of the air guide pipe (3) is rotatably connected with a rotating pipe (5) slidingly inserted into the box (1), the top of the box (1) is connected with a return pipe (6) connected with the air guide pipe (3), the return pipe (6) is provided with a one-way valve, the top end of the rotating pipe (5) is drivingly connected with a driving assembly (4), the inner side of the box (1) is fixedly provided with a fixed ring (7), the fixed ring (7) is internally provided with a cloth air distribution assembly (8) sleeved outside the rotating pipe (5), the bottom of the box (1) is fixedly provided with a collecting hopper (13), the bottom end of the collecting hopper (13) is connected with a blowdown pipe (9) extending to the outside of the box (1), the bottom end of the rotating pipe (5) is fixedly provided with a scraping assembly abutting the inner side of the collecting hopper (13).

2. The microalgal carbon sequestration device of claim 1, wherein: The cloth air distribution assembly (8) comprises a material guide hopper (81) sleeved outside the rotating pipe (5), a connecting plate (83) is fixed between the outer side of the material guide hopper (81) and the inner wall of the fixed ring (7), a plurality of annularly distributed windows are formed in the material guide hopper (81), and air permeable cloth (82) is arranged in the windows.

3. The microalgal carbon sequestration device of claim 1, wherein: The bottom end of the rotating pipe (5) is fixedly provided with a plurality of annularly distributed shunt pipes (10), and the bottom of each shunt pipe (10) is provided with equidistantly distributed air guide holes.

4. The microalgal carbon sequestration device of claim 1, wherein: The scraping assembly comprises a rotating shaft (11) fixedly arranged at the bottom of the rotating pipe (5), and a scraper (12) is fixedly arranged at one side of the bottom end of the rotating shaft (11) and abuts the inner side wall of the collecting hopper (13).

5. The microalgal carbon sequestration device of claim 1, wherein: The driving assembly (4) comprises a driving motor mounted at the top of the box (1), and the output shaft of the driving motor is fixedly provided with a driving gear, and the top end of the rotating pipe (5) is fixedly provided with a transmission gear engaged with the driving gear.

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