CN204848533U - Electricity flocculation - air supporting allies oneself with continuous harvesting apparatus of little algae of usefulness - Google Patents
Electricity flocculation - air supporting allies oneself with continuous harvesting apparatus of little algae of usefulness Download PDFInfo
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- CN204848533U CN204848533U CN201520215703.6U CN201520215703U CN204848533U CN 204848533 U CN204848533 U CN 204848533U CN 201520215703 U CN201520215703 U CN 201520215703U CN 204848533 U CN204848533 U CN 204848533U
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- algae
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- dissolved pump
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Abstract
The utility model provides an electricity flocculation - air supporting allies oneself with continuous harvesting apparatus of little algae of usefulness, algae liquid entry with dissolve gas release mouth and be located below of electricity flocculation air supporting district, it is the electrolysis board to dissolve a gas release mouthful top, the electrolysis board is baffle no. 1 at the back, baffle no. 1 is distinguished for results at the back, the algae machine is scraped in the top in the results district, scrape the algae machine back lower place and store up the algae pond, it is located the algae bottom of the pool portion that stores up to receive the algae mouth, it is located results district bottom to arrange the cinder notch, the results district is a baffle no. 2 at the back, baffle no. 2 is a pool at the back, it is the gap to go out the pool middle part, upper portion is drainage pipe, the bottom is the dissolved gas pump water inlet, the dissolved gas pump inlet tube with dissolve gas intake -tube connection, dissolved gas pump is arrived in the reconnection, the gas pitcher is dissolved in the connection of dissolved gas pump upper end, the dissolved gas pump drain pipe is connected to the lower extreme, the dissolved gas pump drain pipe with dissolve gas release and mouthful link to each other. The utility model discloses having improved the results efficiency of little algae greatly, having had the small investment, area is little, and easy operation has the low energy consumption high efficiency, and the advantage of environmental protection is fit for large -scale production.
Description
Technical field
The utility model belongs to biological technical field, relates to the device of a kind of continuous microalgae results.
Background technology
The results high cost of micro-algae is one of bottleneck problem of its scale operation of restriction always, and the main method of current microalgae harvesting has membrane filtration, centrifugal and flocculation etc.Membrane filter method not only production efficiency is very low, and the easy contamination and plugging of film, and the regeneration of film or the cost of renewal are also very high.Therefore industrialization production application is not suitable for.Centrifugal is the method comparatively commonly used, though without the need to adding other chemical reagent, but complicated operation, energy consumption is large, and cost is high.Chinese invention patent " a kind of tubular-bowl centrifuge micro-algae collection device (CN201220618371.2) " discloses the micro-algae collection device of a kind of tubular-bowl centrifuge, its drip irrigation device is: from algae liquid, get rid of liquid by centrifuging, algae liquid is introduced in an atwirl netted sleeve, by high speed centrifugation effect, micro-algae is left on the online of porous, and liquid then centrifugalization is extruded from mesh.Although this apparatus structure is simple, is provided with dismountable discharging sleeve, improves the yield rate of micro-algae.But need discharging after its micro-algae is centrifugal, unpicking and washing and installing all needs the time, and centrifugal be the huge process of an energy consumption, virtually add the results cost of micro-algae, be unfavorable for suitability for industrialized production.
The flocculation sediment harvest method of micro-algae is also paid attention in recent years, and such as Chinese invention patent " a kind of micro-algae flocculating settling harvesting method (CN201410453206.X) " discloses a kind of method utilizing quaternary ammonium salt cationic starch as the mode that flocculation agent also combines stirring, the abundant flocculating settling of micro-algae to be collected to flocculation pot bottom.Although the method technique is simple, the reaction times is short, and flocculating effect is good; But its required flocculation dosage is too much, and not only can increase cost, also can cause certain pollution to microalgae harvesting thing and water body, each flocculation all needs longer time of repose, can not continuous prodution.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides the continuous harvesting apparatus of micro-algae of a kind of micro-algae electricity flocculation-flotation coupling, realize eco-friendly micro-algae and gather in the crops continuously, improve the efficiency of crop of micro-algae, reduce its production cost.
The utility model is achieved through the following technical solutions.
Device described in the utility model comprises interconnective electric flocculation-air floating district, results district, exhalant region and air-flotation system successively.
Described electric flocculation-air floating district is by algae liquid entrance (1), and molten gas liberation port (2), electrolytic zinc-coated steel sheet (3), baffle plate one (4) forms.
Described results district is by scraping algae machine (5), and storage algae pond (6), receives algae mouth (7), slag-drip opening (8), and baffle plate two (9) forms.
Described exhalant region is by spillway (17), and water shoot (18) forms.
Described air-flotation system is by air dissolved pump water inlet pipe (10), and butterfly valve (11), molten gas inlet pipe (12), air dissolved pump (13), dissolving (14), dissolved-air pressure table (15), air dissolved pump drain pipe (16) forms.
The annexation of the utility model device each several part is: algae liquid entrance (1) and molten gas liberation port (2) are positioned at the bottom in electric flocculation-air floating district, the top of molten gas liberation port (2) is electrolytic zinc-coated steel sheet (3), baffle plate one (4) after electrolytic zinc-coated steel sheet (3), baffle plate one (4) is results district below, algae liquid flows through baffle plate one (4) and enters results district, algae machine (5) is scraped at results top, district, scrape Shi Chuzao pond, algae machine (5) back lower place (6), receive algae mouth (7) and be positioned at storage algae pond (6) bottom, slag-drip opening (8) is positioned at bottom results district, results are baffle plates two (9) after district, baffle plate two (9) is exhalant region below, clear water enters exhalant region by the space below baffle plate two (9), spillway (17) in the middle part of exhalant region, top is drainage pipeline (18), bottom is air dissolved pump water inlet pipe (10) water-in, air dissolved pump water inlet pipe (10) is provided with butterfly valve (11), clear water enters into air-flotation system by air dissolved pump water inlet pipe (10) water-in, air dissolved pump water inlet pipe (10) is connected with molten gas inlet pipe (12), together be connected to air dissolved pump (13) again, air dissolved pump (13) upper end connects dissolving (14), lower end connects air dissolved pump drain pipe (16), air dissolved pump drain pipe (16) is provided with dissolved-air pressure table (15), air dissolved pump drain pipe (16) is connected with molten gas liberation port (2) then.
Operational process of the present utility model according to the following steps.
Step 1) due-in algae liquid prepares: from micro-algae photosynthetic reaction system, derive algae liquid by certain flow rate, from bittern water storage tank, derive bittern water by certain flow rate simultaneously, algae liquid and bittern water mixture flow through a raceway pond and fully mix, and enter the deep trouth (for due-in algae liquid) of the end at raceway pond; Algae liquid and bittern water fully being mixed is specific conductivity in order to improve algae liquid, reduces the required energy consumption of results.
Step 2) flocculation of micro-algae: due-in algae pumps into from algae liquid entrance (1) and rises to electrolytic zinc-coated steel sheet (3), the hydroxide colloid of the iron discharged by electrode flocculate.
The air supporting of step 3) flocculation microalgae is gathered in the crops: the microalgae cell group being flocculated reunion, adsorb by the microbubble that molten gas liberation port (2) discharges floating, in microbubble uphill process, explosion generation reactive force impels microalgae cell to roll into a ball reunion further, microalgae cell group flows through baffle plate one (4) with main flow and enters results district, rise to liquid level, micro-algae of fluid surface is scraped algae machine (5) and is scraped into storage algae pond (6), collected algae slurry is collected by the receipts algae mouth (7) of storage algae pond (6) bottom, sends into next step dewatered drying operation.
Step 4) clear water discharges: the clear water bottom results district, exhalant region is entered by the space of baffle plate two (9) bottom, if liquid level is higher, by spillway (17), water shoot (18) is by clear water discharge (clear water discharge rate and due-in algae liquid inflow velocity balance), major part water is entered air-flotation system by air dissolved pump water inlet pipe (10) and is mixed with the air inlet of molten gas inlet pipe (12) and enters dissolving (14) by air dissolved pump (13) a part of mixed solution and temporarily store, a part is connected with molten gas liberation port (2) by air dissolved pump drain pipe (16) and enters electric flocculation-air floating district, stable level in holdout device.
The utility model has the advantage of.
(1) electricity flocculation creatively combines with dissolved air flotation two techniques by the utility model, completes, eliminate some loaded down with trivial details unnecessary steps, substantially increase the efficiency of crop of micro-algae in same device.This plant investment is few, and floor space is little, simple to operate, has low-energy-consumption high-efficiency, and the advantage of environmental protection, is convenient to scale operation.
(2) this device electrolytic zinc-coated steel sheet adopts iron material, and holes below electrolytic zinc-coated steel sheet immersed in liquid level, and boring can increase the contact area of electroplax and water body, improves electrolytic efficiency.And iron toxic effect unlike aluminium, iron price is cheaply also only aluminium about 1/4th.
(3) the molten gas liberation port of dissolved gas floatator is made up of multiple little mouth of pipe, covers electrolytic zinc-coated steel sheet with making microbubble maximum area, its objective is and ensures that the microbubble that dissolved air type air-float produces fully contacts with flocs unit, bring it to water surface.
(4) can add bittern water extraction high conductivity, the magnesium hydroxide flocs unit that electrolysis produces has stronger adsorptive power.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model equipment.
Fig. 2 is the right view of the utility model equipment.
In figure: A is electric flocculation-air floating district, B is results district, and C is exhalant region, and D is air-flotation system.1 is algae liquid entrance, and 2 is molten gas liberation port, and 3 is electrolytic zinc-coated steel sheet, 4 is baffle plate one, and 5 for scraping algae machine, and 6 is storage algae pond, 7 for receiving algae mouth, and 8 is slag-drip opening, and 9 is baffle plate two, 10 is air dissolved pump water inlet pipe, and 11 is butterfly valve, and 12 is molten gas inlet pipe, 13 is air dissolved pump, and 14 is dissolving, and 15 is dissolved-air pressure table, 16 is air dissolved pump drain pipe, and 17 is spillway, and 18 is water shoot.
Embodiment
The utility model will be described further by reference to the accompanying drawings.
The utility model device as shown in Figures 1 and 2.
Microalgae harvesting method of the present utility model derives algae liquid by certain flow velocity by 5L/MIN from micro-algae photosynthetic reaction system, from bittern water storage tank, derive bittern water by the flow velocity of 0.01L/MIN simultaneously, algae liquid and bittern water mixture flow through a raceway pond and fully mix, entering the deep trouth of the end at raceway pond, is be due-in algae liquid, start the continuous harvesting apparatus of micro-algae of electric flocculation-flotation coupling of the present utility model, due-in algae liquid enters electric flocculation-air floating district by algae liquid entrance 1 by the flow velocity of 5.01L/MIN, when liquid level in device did not just have an electrolytic zinc-coated steel sheet, start electricity flocculation and air-floating apparatus, regulate micro-12 volts of electric flocculation plant voltage, strength of current is 20 amperes, regulate air dissolved pump water inlet pipe butterfly valve 11 and air dissolved pump inlet mouth valve and observe air dissolved pump feed rate table and control flooding quantity and molten gas speed, microbubble is made to be intensive milky white state, micro-algae flocculation swims in liquid level, and flow through results district, started by equipment control case and scrape algae machine, the throw out of algae is scraped into storage algae pond, again by receiving algae mouth harvesting microalgae, send into following process program.Clear water bottom results district, enter exhalant region by the space of baffle plate 29 bottom, if liquid level is higher, by spillway 17, clear water discharges by water shoot 18, the flow rate control of clear water discharge is about 5.00L/MIN, makes liquid level maintain the operation interval scraping algae machine always.
Claims (1)
1. the continuous harvesting apparatus of micro-algae of electric flocculation-flotation coupling, is characterized in that comprising interconnective electric flocculation-air floating district, results district, exhalant region and air-flotation system successively; Electricity flocculation-air floating district by algae liquid entrance (1), molten gas liberation port (2), electrolytic zinc-coated steel sheet (3), baffle plate one (4) form; Results district is by scraping algae machine (5), and storage algae pond (6), receives algae mouth (7), slag-drip opening (8), and baffle plate two (9) forms; Exhalant region is by spillway (17), and water shoot (18) forms; Air-flotation system by air dissolved pump water inlet pipe (10), butterfly valve (11), molten gas inlet pipe (12), air dissolved pump (13), dissolving (14), dissolved-air pressure table (15), air dissolved pump drain pipe (16) form;
Algae liquid entrance (1) and molten gas liberation port (2) are positioned at the bottom in electric flocculation-air floating district, the top of molten gas liberation port (2) is electrolytic zinc-coated steel sheet (3), baffle plate one (4) after electrolytic zinc-coated steel sheet (3), baffle plate one (4) is results district below, algae liquid flows through baffle plate one (4) and enters results district, algae machine (5) is scraped at results top, district, scrape Shi Chuzao pond, algae machine (5) back lower place (6), receive algae mouth (7) and be positioned at storage algae pond (6) bottom, slag-drip opening (8) is positioned at bottom results district, results are baffle plates two (9) after district, baffle plate two (9) is exhalant region below, clear water enters exhalant region by the space below baffle plate two (9), spillway (17) in the middle part of exhalant region, top is drainage pipeline (18), bottom is air dissolved pump water inlet pipe (10) water-in, air dissolved pump water inlet pipe (10) is provided with butterfly valve (11), clear water enters into air-flotation system by air dissolved pump water inlet pipe (10) water-in, air dissolved pump water inlet pipe (10) is connected with molten gas inlet pipe (12), together be connected to air dissolved pump (13) again, air dissolved pump (13) upper end connects dissolving (14), lower end connects air dissolved pump drain pipe (16), air dissolved pump drain pipe (16) is provided with dissolved-air pressure table (15), air dissolved pump drain pipe (16) is connected with molten gas liberation port (2) then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215703.6U CN204848533U (en) | 2015-04-13 | 2015-04-13 | Electricity flocculation - air supporting allies oneself with continuous harvesting apparatus of little algae of usefulness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215703.6U CN204848533U (en) | 2015-04-13 | 2015-04-13 | Electricity flocculation - air supporting allies oneself with continuous harvesting apparatus of little algae of usefulness |
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| Publication Number | Publication Date |
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| CN204848533U true CN204848533U (en) | 2015-12-09 |
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| CN201520215703.6U Expired - Fee Related CN204848533U (en) | 2015-04-13 | 2015-04-13 | Electricity flocculation - air supporting allies oneself with continuous harvesting apparatus of little algae of usefulness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803523A (en) * | 2015-04-13 | 2015-07-29 | 南昌大学 | Electric flocculation and air floatation combined continuous microalgae harvesting device and method |
-
2015
- 2015-04-13 CN CN201520215703.6U patent/CN204848533U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803523A (en) * | 2015-04-13 | 2015-07-29 | 南昌大学 | Electric flocculation and air floatation combined continuous microalgae harvesting device and method |
| CN104803523B (en) * | 2015-04-13 | 2016-08-24 | 南昌大学 | The continuous harvesting apparatus of microalgae and method thereof associated with a kind of electricity flocculation-flotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |