CN2338338Y - Micro-algae waste water treatment equipment - Google Patents
Micro-algae waste water treatment equipment Download PDFInfo
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- CN2338338Y CN2338338Y CN 97218981 CN97218981U CN2338338Y CN 2338338 Y CN2338338 Y CN 2338338Y CN 97218981 CN97218981 CN 97218981 CN 97218981 U CN97218981 U CN 97218981U CN 2338338 Y CN2338338 Y CN 2338338Y
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Abstract
The utility model relates to a biologic wastewater treating device, comprising a reactor, a wastewater supplying part, an actified solution supplying part, a drainage emptying valve, etc. The utility model is characterized in that the utility model also comprises an air supplying part and a light source for micro-algae growth. The reactor is filled with micro-algae beads, a diameter of which is three to four mm. The length of the reactor is 500 to 2000 mm., and an inner diameter of the reactor is 70 to 280 mm. The utility model has advantages that adsorption rates are high (Contents of heavy metal nickel and copper can be reduced to one to two ppm after the treatment of the wastewater, the content of the heavy metal nickel and copper of which is 30 ppm; denitrogenating rates of sewerage are 92%, and dephosphorization rates are 100%.), the utility model can be safe from contamination and inactivation, manufacturing cost is low, the algae beads are easy to regenerate, and the continuous service life of the utility model is more than three months.
Description
The utility model is to belong to the biological effluent treatment technical field.
The source of trade effluent is a lot of at present, for example plating, electronics, metal processing, and factories such as nitrogen and production of phosphate fertilizer can give off a large amount of waste water, and city domestic sewage etc.Wherein except that containing each heavy metal species or nitrogen phosphorus, also there is a small amount of organism such as oil, clean-out system in regular meeting.Serious environmental problem requires to adopt various measures to administer waste water day by day.The treatment process of heavy metal wastewater thereby is a lot of now, comprises chemical precipitation method, oxidation--and reduction method (is for example used SO
2, sodium sulfonate, ferric sulfate, N
2H
4Deng with Cr
6+Be reduced into Cr
3+, neutralization or chemical precipitation again), electrolytic process, air supporting method, ion exchange method, film dialysis, absorption method and biological treatment etc.Wherein the chemical precipitation method application is wider, but the heavy metal sewage sludge amount that is generated is bigger, is difficult for dehydration, can cause secondary pollution, and working cost is higher.Ion exchange method, treatment effect is good, recyclable heavy metal, shortcoming is the resin costliness, is subject to the pollution of organism and oxide compound and loses efficacy.In the whole bag of tricks of wastewater treatment, biologic treating technique occupies crucial position, is characterized in nutrient substances such as dissolved organic matter, nitrogen phosphorus are had removal effect preferably, again less expensive, therefore aspect the processing wastewater and sewage, biotechnology is the preferential method of selecting.For example document (information institute of China national Environmental Protection Agency compiles: " heavy metal wastewater thereby is administered and the changing waste into resources technology " special edition, the first volume) has been discussed biochemical process and the biological method and the relative merits thereof of wastewater treatment, but does not address the application of algae aspect wastewater treatment.Biological effluent treatment comprises the use of bacterium, fungi and little algae.In different treatment processs, their shared ratios are different with role.For example, activated sludge process is based on bacterium.Little algae very is distributed in ocean, lake, the river widely, and its biosynthetic means is: CO
2+ H
2O illumination microalgae cell+O
2The required carbon source of biosynthesizing can be the carbonate in the water, or airborne CO
2, other nutritive element has nitrogen (nitrate, nitrite, ammonia nitrogen), phosphorus (phosphoric acid salt) and some micro-Fe
2+, Mn
2+, K
+, Ca
2+Deng.Because algae distributes wide, after sewage enters water body, can cause the variation of quantity even the kind of algae.Algae becomes a kind of important biomolecule colony that resists pollution in the water body on the one hand, on the other hand, we can be according to the variation of its kind and quantity, analyze, judge the kind of contaminated degree of water body and pollutent, as the concentration height of N, P in the water body to certain numerical value, can cause algal bloom, water body generation eutrophication is described, then can cause red tide in the bay.This shows, between algae and environmental pollution, the environment protection, exist substantial connection.Thereby since late nineteen eighties, the technology of utilizing little algae to handle waste water has become one of focus of biologist and environment protection expert joint research.
Nitrogen phosphorus and heavy metal in 1984 begin one's study little algae removal waste water such as designer of the present utility model and applicant's topaz mountain, once, designed this cover pilot scale little algae wastewater treatment equipment on probation up to date again by beaker test, synthetic glass column test (dynamically long run test).
Studies show that little algae has two aspects to the removal function of heavy metal, the one, the functional group of cell walls such as carboxyl (coo
-) and amido (NH
2 -) waiting adsorption to heavy metal ion, this is a kind of passive reaction fast, is similar to ion exchange; The 2nd, cell is to biological metabolism (or claiming to absorb) effect of heavy metal.This process is a kind of cell interior reaction of slow active.Because little algae is widely distributed, the source is many, and is remarkable to the sorption of the removal of heavy metal and nitrogen phosphorus.Little algae can be separated from waste water system after utilizing nitrogen phosphorus etc. as the nutrient substance growth, because of frond rich in proteins, carbohydrate, VITAMIN etc., can be used as animal-feed, has better application prospect in city sewage deep treatment.According to literature search and product technology investigation, up to the present, still find no the report that the pass is the wastewater treatment equipment aspect of adsorption column filler with little algae immobilization globule.
The purpose of this utility model provide a kind of with little algae fixedly globule require the adsorptive capacity height of weighting agent as the wastewater treatment equipment of the industrial use of adsorption column weighting agent to heavy metal in the waste water and nitrogen phosphorus, easily separated recovery, life-span be long, be difficult for losing efficacy etc.
The utility model provides a kind of " little algae wastewater treatment equipment ", be called for short " little algae reactor " (Microalgae wastewater Treatment Reactor, Algabiotor), reached above-mentioned purpose through laboratory and pilot scale proof, its function is effective, practical, and simple in structure, easy to operate, cheap.The chief component of this device includes: supply with part (steam line and valve), wastewater treatment part (infeeding pump and valve), regenerated liquid as the reactor of agent structure part or adsorption column, surveying instrument instrument (pressure warning unit and under meter), automatically controlled part (11 control magnetic valves), air and supply with partly (pump and valve).The little algae ball of immobilization of filling in the reactor, sense organ is good, no stink.The cultivation of little algae is to use the general foster liquid of joining in the transparent plastics incubator, under illumination in 22 ± 1 ℃ of cultivations of room temperature, aeration regularly.Little algae of growth is 10 at rotating speed, under the 000rpm centrifugal 10 minutes, makes cell concn reach 8-9 * 10
7Individual/ml, in order to the usefulness of immobilization.
The utility model wastewater treatment equipment or little algae reactor, the immobilization method for making of wherein employed little algae ball, the process for fixation that is frustule is as follows: immobilized material is silicon sodiun alginate (Sodiumalginate), promptly utilize embedding (cover) material of silicon sodiun alginate as little algae, curing and people's such as N.F.Y.Tam identical (the Nora F.Y.Tam and Y.S.Wong of method, " Wastewater treatment with Microorganisms ", The Commercial Press (HK), Ltd, 1995].The solution of sodium alginate that at first prepares 4%W/V: it is 1 liter reaction flask that the deionized water of 375ml is injected volume, directly to wherein adding the 15g sodiun alginate, is warming up to 121 ℃ through 15 minutes in potheater, is cooled to room temperature.The CaCl for preparing 0.3M (3% weight) then
22H
2O solution is about to 44gCaCl
22H
2O is dissolved in 1 liter of deionized water.(used concentration of algae is 5.6 * 10 in the test to calculate the frustule total amount that needs according to predetermined required frustule concentration (cell count/each little algae ball) again
6Cell/each ball), the diatom acid sodium solution with little algae ball and 4% (W/V) mixes then, pumps into 3%CaCl by peristaltic pump
2In the solution, also be about to 375ml little algae--diatom acid sodium solution mixture is sent into 3 * 250mlCaCl with peristaltic pump
22H
2O solution just forms little algae ball.Little algae ball mean diameter made from this method is 3-4mm.With little algae of making fixedly ball be stored in 4 ℃ standby.Warp was the tetrafluoroethylene of 1mm (Teflon) plastics tubing in said peristaltic pump was to use.
Elaborate to this reality is novel below in conjunction with accompanying drawing
Fig. 1 is the little algae wastewater treatment equipment of a utility model schematic diagram
Fig. 2 is the reactor of the little algae wastewater treatment equipment of the utility model or the structure iron of adsorption column
Fig. 3 is that the little algae wastewater treatment equipment of the utility model totally assembles front elevation
Fig. 4 and Fig. 5 are the side-views of A-A, B-B, C-C and the D-D of Fig. 3
As can be seen from Figure 1, the little algae wastewater treatment equipment of the utility model is to include: as the core Or the one or more identical reactor (adsorption column) of main equipment, and by pipeline and joint and The waste water that this reactor is connected feeds part 20, comprises that (waste water tank 21, waste water feeds pump 22, and is useless Liquid feeds valve A1, A2, E2, pressure gauge 23 and flowmeter 24), regenerated liquid feeds part 30 (comprise regenerated liquid case 31, regenerated liquid feeds or elevator pump 32, regenerated liquid infeed valve B1/B2, Dump valve D1/D2, pressure are taken into account flowmeter), air supply pipe 40, comprise valve C1, C2 and air inlet 41, two draining atmospheric valves F1 and F2 also can comprise filtered water tank 50, dope Case 60 and micro algae growth light source 80 (on a reactor left side, rear, right side is provided with speculum, rear side also is provided with Fluorescent lamp) and the device shell and under four the supporting wheels. The effect of air supply part, one To provide when needed air to stir, the 2nd, supply with the required carbon source CO of little algae2, air comes From air compressor, through pressure measurement, the bottom from reactor behind the flow measuring instrument enters, and air can be simultaneously Enter two reactors, enter again second level reactor after also can being introduced into first order reactor.
Fig. 2 is the structure of little algae reactor or adsorption column, and reactor 1 is to make with lucite among the figure, Length 500-2000mm, best 1000mm, internal diameter 70-280mm, the best is 140mm, dischargeable capacity 8-36 liter, the best is 15.5 liters; Hydraulic detention time in the pilot scale 30 minutes is 20 l/hs with processing the water yield. The algae pearl (algal beads) of packing into is highly best Be 70cm, namely the filling rate of algae pearl in reactor is 30-95%, and the best is 70%, stacking volume 10.8 5 liters. Be provided with a plurality of sample taps 2 along reactor body differing heights; Reactor top and bottom The upper and lower end socket 3 and 4 of the lucite system of being respectively equipped with; Reactor head is provided with stainless steel baffle plate 5, Opening diameter is about 2.5mm on the baffle plate, prevents outside algae pearl (φ 3-4mm) outflow reactor; Reactor bottom is provided with stainless steel supporting plate 6, for the weight of holding the algae pearl; Little algae of top lucite system Pearl loading port 8 is provided with sealing rubber ring 7, and the bottom is provided with little algae pearl of lucite system and unloads outlet 9, in order to change the algae pearl; The reactor bottom is provided with entery and delivery port 11 and the aeration head of lucite system 12 to supply with air; Top and bottom are respectively equipped with and are provided with sealing below ring flange 14, the ring flange and use Rubber ring 13. The compressive resistance of reactor is 2Kg/cm2More than, connecting portion all adopts sealing anti-The gas leakage measure of leaking, internal diameter of the pipeline 10mm, valve and joint internal diameter 6mm. Reactor can be with having Machine glass material or other transparent plastic are made.
Fig. 3 is the overall assembling front elevation of little algae wastewater treatment equipment. It is by two identical reactors And other accessory composition, the structure of reactor is identical with Fig. 2. Fig. 4 left side is the A-A side-looking of device Figure and the right side are the B-B side view. The left side of Fig. 5 is the C-C side view, and the right is the D-D side-looking Figure. By Fig. 3,4,5 can find out, whole device includes: waste water lifting pump 22, waste water tank 21, prison Survey instrument board 25, first order reactor 1a, second level reactor 1b, reaction settler 26, regenerated liquid Excavationg pump 33, regenerated liquid tank 31, regenerated liquid supply pump 32, agitator 27, label 70, daylight Lamp 80, casing or device housings 90, and distribution control box 100, magnetic valve etc. Casing is to use not The rust steel is done, and is provided with below four supporting wheels. Around the device and top is all sealed with transparent organic glass Close. All valves, pipeline and water pump are anti-corrosion type. On the left side of device internal reaction device, rear, right side establishes Speculum is arranged, before fluorescent lamp is arranged in speculum, as the light source of micro algae growth, the green alga bead (algal beads) under the stirring of air in reactor wander up and down. The left side of device is provided with useless Water tank and elevator pump, dope case; The right side is provided with regenerated liquid case and regenerated liquid elevator pump, is provided with lucite Door is convenient to add waste water and is added regenerative elution liquid, also is convenient to the Flow-rate adjustment of water pump; The back side of device Centralized arrangement the magnetic valve of 11 control usefulness (A1, A2, B1, B2, C1, C2, D1, D2, E2, F1, F2) and whole equipment distribution box and storage contain heavy metal The dope case of ion, and be furnished with agitating device, process or recycle as the high son of heavy metal, with organic The glass door sealing. Each parts title, numbering and dimensions among above-mentioned Fig. 1-5 are as follows:
1 reactor, length 1000m, diameter 140mm, the reactor of a plurality of parallel connections or series connection can be 1a, the 1b..:2 sample tap has a plurality of sample taps, stainless steel material, length 40mm, diameter 5mm; 3 and 4 are respectively the end socket of reactor top and bottom, and its thickness is 20mm, pmma material; 5 is anti-Answer the device top flap, thickness 2mm; 6 reactor bottom supporting plates, thickness 3mm; 7 packer rings, Thickness 2mm; 8 little algae pearl loading ports, diameter 50mm, thickness 5mm, pmma material; 9 little algae pearls Unload outlet, diameter 50mm, thickness 5mm; 10 screws; 11 intake-outlets, diameter 6mm; 12 aerations Head; 13 flangeseal rubber rings, diameter 250mm, thickness 1mm; 14 ring flanges; 20 waste water feed Part, parts comprise: 21 waste water tanks, specification 500 * 200 * 300mm, vinyon is made; 22 waste water lifting pumps are measuring pump, 420ml/min, model EH-C 35VC 220R4; 23 pressure Meter; 24 flowmeters; 25 detector dial plates (flowmeter and Pressure gauge are housed); 26 reaction settlers; 300 * 200 * 600mm, the bottom taper, 27 agitators, model 50002-25, stir/pak, 9-900rpm; 30 regenerated liquids feed part, and parts comprise: 31 regenerated liquid casees, vinyon system Product, size 250 * 200 * 485mm; 32 regenerated liquid supply pumps are adjustable dosing pump, 420ml/min, model EH-C35VC-220R4; 33 regenerated liquid excavationg pumps are centrifugal pump, 8-91/min, 1-1.4m, model IWAKI Magent pump; 40 air supply pipes, 41 air inlets; 50 filtered water tanks; 60 dopes dress; 70 labels; 80 light sources, fluorescent lamp; 90 casings or device housings, rule Lattice 1000 * 600 * 1600mm; 100 distribution boxs, shell are metal, and HKUST makes, dimensions 300 * 200 * 390mm.
But operation of the utility model algae wastewater treatment equipment single-stage or two-stage series connection operation.Adopt manually control and automatic control two cover control modes.What use with this matched with devices is a microcomputer and control software.
The major technique of the little algae wastewater treatment equipment of the utility model is characterised in that: include air and supply with part: inlet mouth, valve C1 and C2; Micro algae growth light source: on a reactor left side, the speculum that is provided with of back, right side and the fluorescent lamp of rear side; Filling with immobilized mean diameter in the above-mentioned reactor is little algae pearl of 3-4mm; The filling ratio of little algae pearl is 30-95% in the reactor, and the best is 70%; Said reactor length is 500-2000mm, and the best is 1000mm, and internal diameter is 70-280mm, and the best is 140mm; Each connecting tube internal diameter 8-12mm, best 10mm; Valve and joint internal diameter 4-8mm, best 6mm; The little algae pearl optimum concn that is used to handle heavy metal-containing waste water is 2.5 micrograms dry weight/milliliter silicon sodiun alginate, and little algae pearl optimum concn of handling nitrogenous phosphorus sewage is 0.1 microgram dry weight/milligram silicon sodiun alginate.
The operation method of little algae wastewater treatment equipment:
1, the removal of heavy metal ion and recovery
A, fixed bed concurrent regenerated operation scheme: this is one of usual way, be that filler (little algae pearl) maintains static in reactor, the treatment stage waste water enter from reactor bottom, regeneration stage regeneration elutriant also enters from reactor bottom, both directions are identical, so be called concurrent.Accompanying drawing 1 is seen in operation: the treatment stage keep pump 22, magnetic valve A1, A2 and E2 to open, other pump and valve are in closing condition.In the regeneration stage, pump 32, magnetic valve B1/B2, D1/D2 open, and other is closed.
B, fixed bed reverse flow regeneration: with A item difference be regenerated liquid by reactor top enter, the bottom discharges, and is different with waste water flowing to from bottom to top, so be called reverse flow.Result's contrast by A item and B item makes one's options.Working method: the treatment stage identical with the A item, the regeneration stage must will carry out the regenerated flexible pipe (leave interface in the design) by the reactor bottom transposing to the top, other is identical with the A item.
C, thermopnore are handled fixed bed regeneration operation scheme: little algae pearl is suspended in the water, is full of whole reactor, can move about in reactor.The advantage of thermopnore is that little algae pearl and metal ion contact probability and area increase, and shortcoming is that into water is diluted rapidly, and concentration reduces because of dilution as one of impellent of mass transfer.Working method: the treatment stage except that increase steam supply valve C1, other is identical with the A item, the regeneration stage is adopted concurrent and reverse flow indistinction, because the thermopnore operation makes the amount of all little algae pearl absorption heavy metals basic identical, so the effect of two kinds of regenerations is as good as, adopt the operation in A item regeneration stage to get final product.
D, complete thermopnore operation scheme
The treatment stage of finger and the regeneration stage, little algae pearl all is in suspended state.
Working method: the treatment stage turn on pump 22, magnetic valve A1, A2, E2 and C1, other is closed.Regeneration stage turn on pump 32, electromagnetic valve B1/B2, D1/D2 and C1/C2.The non-operation simultaneously of B1 and B2, D1 and D2, C1 and C2 is staggered the recovery time of two reactors when computer-controlled program designs.
But E, two reactor series operations, but also isolated operation.
According to concrete application need, only need a reactor sometimes, leave water outlet in first reactor head, i.e. its water outlet can not enter second section reactor, has increased equipment and has used handiness.
2, the removal of nitrogen phosphorus
Remove plain necessary good biological activity and the growing environment of little algae that keep of nitrogen phosphorus nutrition, this need provide enough nutrient substance and luminous energy.
A, intermittence or operation: little algae wastewater treatment equipment can adopt single reactor to carry out batch operation, once adds wastewater flow rate and can select 2 to be raised to 12 liters, and is very flexible.Operation: waste water adds can carry out (seeing accompanying drawing 1) by pump 22, magnetic valve A1, also can directly add (accompanying drawing 2) from little algae pearl loading port, and draining is by blow-off valve F1.For little algae pearl is fully contacted with water, adopt pneumatic blending, C1 enters by valve.Airborne CO
2Also be the important carbon source of micro algae growth, fluorescent lamp is opened.
B, Continuous Flow operation: be also referred to as dynamic operation, water inlet, water outlet and aeration all are successive.Operation: water inlet turn on pump 22, valve A1, valve C1, when carrying out, opens single reactor valve D1 water outlet, open valve A2 during the operation of two reactors in series, E2, other valve cuts out, and fluorescent lamp is opened.When little algae pearl grows into certain hour and need discharge redundance, unload outlet by reactor bottom and discharge.The test-results that little algae is handled heavy metal and nitrogen phosphorus waste water shows that above-mentioned 7 kinds of functions of little algae wastewater treatment equipment all can realize.
Wastewater treatment concrete operations example:
(1) processing is from the Cu that contains of metal processing industry
2+Waste water: waste water cupric concentration 30ppm, water yield 3m
3/ h.Equipment overall dimensions 2.0 * 1.2 * 2.5m, installed capacity 1.5kw, the work period: the treatment stage 29 hours, emptying 5 minutes, water outlet Cu
2+≤ 1.0ppm.Use 1%HNO
3Regenerated 0.9 hour, backwash 5 minutes, one-period is finished in emptying 5 minutes.Entire operation is finished automatically by computer control.Copper ion concentration average out to 600-1500ppm in the elutriant.
(2) processing is from the Ni that contains of electroplating industry
2+Waste water, Ni
2+Concentration is about 30ppm, the same example of unit type (1), but the work period be: the treatment stage 10 hours, emptying 5 minutes, water outlet Ni
2+≤ 2.0ppm; Use 1%HNO
3Regenerated 0.9 hour, backwash 5 minutes, one-period is finished in emptying 5 minutes.Nickel ion concentration average out to 400-600ppm in the elutriant.
(3) handle nitrogenous phosphorus waste water: municipal effluent contains ammonia-state nitrogen 30ppm, phosphorous 10ppm through post precipitation in the supernatant liquor, hydraulic detention time is 48 hours, handles residual NH in the water outlet of back
4 +-N and PO
4 3--P is respectively 3ppm and below the 1ppm.
The effect and the advantage of the little algae wastewater treatment equipment of the utility model are as follows:
1, utilizes the embedded material of silicon sodiun alginate as little algae, algae and embedded material are combined to the absorption of heavy metal ion and the little algae sorption to nitrogen phosphorus, a kind of effective wastewater processing technology is provided, and the shortcoming of having avoided the ion exchange resin vulnerable to pollution to lose efficacy.
2, utilize little algae immobilization to become the ball form of diameter, solved the Separation and Recovery problem of algae sorbent material and heavy metal for 3-4mm.
3, the work-ing life of little algae pearl longer, can be recycled more than 3 months.
4, Cu in waste water
2+When concentration is the 30ppm left and right sides, can be 30 minutes, in 29 hours, guarantee water outlet Cu at hydraulic detention time
2+≤ 1.0ppm; Ni in waste water
2+When concentration is 30ppm, be 30 minutes, in 10 hours, guarantee water outlet Ni at hydraulic detention time
2+≤ 2.0ppm; Little algae pearl of having adsorbed above-mentioned cupric and nickel ion, available 1% nitric acid regeneration, the recovery time is 0.9 hour, Cu in the elutriant
2+Concentration, average 600-1500ppm, Ni in the elutriant
2+Concentration average out to 400-600ppm; Ammonia-state nitrogen is 30ppm in waste water, when phosphorus is 3ppm, can stop 48 hours at water, removes NH
+-N attitude nitrogen 92%, removing phosphorus can be up to 100%.
Optimum concn when 5, utilizing little algae ball to handle metal is 2.5 micrograms dry weight/milliliter silicon sodiun alginate; And the optimum amount when handling nitrogen phosphorus is 0.1 microgram dry weight/milliliter silicon sodiun alginate.
Embodiment:
One preferred embodiment of the little algae wastewater treatment equipment of the utility model as shown in Figure 1, wherein only make a reactor, the length of reactor is 1000mm, internal diameter 140mm, be filled with the little algae pearl of immobilization of 3-4mm in the reactor, the filling ratio of little algae pearl in reactor is 70%, and little algae pearl concentration of handling heavy metal-containing waste water is 2.5 micrograms dry weight/milliliter silicon sodiun alginate, and little algae pearl concentration of handling nitrogenous phosphorus sewage is 0.1 microgram dry weight/milliliter silicon sodiun alginate.The structure of reactor as shown in Figure 2, this is a kind of single-stage reactor (or adsorption column) type device.Simple in structure, easy to operate, available manual operations or red-tape operati automatically.
Embodiment 2
Another most preferred embodiment as shown in Figure 3.This device is different from two reactors (or adsorption column) that embodiment 1 part only is to adopt two-stage series connection, and all the other are identical with embodiment 1, and the structure of reactor as shown in Figure 2.Can be by hand or automatically red-tape operati realize wastewater treatment, can handle higher influent concentration or reach more fine water outlet.
Embodiment 3
This little algae wastewater treatment equipment is identical with embodiment 2, and difference only is that the length of reactor is 500mm, and internal diameter is 70mm.
Embodiment 4
This device is identical with embodiment 2, and difference only is that the length of reactor is 2000mm, and internal diameter is 280mm.
Embodiment 5
This device is identical with embodiment 2, and difference only is: the filling ratio of little algae pearl in reactor is 30%.
Embodiment 6
This device is identical with embodiment 2, and difference only is: the filling ratio of little algae pearl in reactor is 95%.
Claims (5)
1. little algae wastewater treatment equipment, it comprises one or more reactors or adsorption column (1), by pipeline and joint be connected with reactor or adsorption column by pump (22), waste water tank (21), pressure warning unit (23), under meter (24), waste water infeeds valve (A1), (A2) and the waste water of (E2) being formed infeed the part (20), by pump (32), regenerated liquid case (31), pressure warning unit, under meter, regenerated liquid infeeds valve (B1), (B2) and outlet valve (D1), (D2) regenerated liquid of Zu Chenging infeeds part (30), and draining blow-off valve (F1) and (F2), it is characterized in that: it also includes and is connected with (1b) with reactor (1a) and from reactor bottom air-supplied air supply pipe (40) in reactor, inlet mouth (41); Micro algae growth light source (80), be included in speculum, the rear side that a reactor left side, back, right side be provided with and also be provided with fluorescent lamp, filling with immobilized average diameter size in the said reactor is little algae pearl of 3-4mm, filling ratio is 30-95%, and reactor length is that 500-2000mm, internal diameter are 70-280mm.
2. according to the described little algae wastewater treatment equipment of claim 1, it is characterized in that said reactor is two, (1a) and (1b), adopt two-stage series connection operation or isolated operation form, the compressive strength of reactor is about 2Kg/cm
2
3. according to the described little algae wastewater treatment equipment of claim 1, it is characterized in that said reactor length is that 1000mm, internal diameter are 140mm, the filling ratio of little algae pearl is 70% in the reactor, little algae pearl concentration of handling heavy metal-containing waste water is 2.5 micrograms thousandweight/milliliter silicon sodiun alginate, little algae pearl concentration of handling nitrogenous phosphorus sewage is 0.1 microgram thousandweight/milliliter silicon sodiun alginate, and little algae pearl concentration of handling nitrogenous phosphorus sewage is 0.1 microgram thousandweight/milliliter silicon sodiun alginate.
4. according to claim 1 or 3 described little algae wastewater treatment equipments, it is characterized in that embodiment comprises as lower member: waste liquid lift pump (22), waste water tank (21), monitor dial plate (25), first step reactor (1a), second stage reactor (1b), reaction settler (26), regenerated liquid overboard pump (33), regenerated liquid tank (31), regenerated liquid supply pump (32), agitator (27), fluorescent lamp (80), device housings (90), distribution controlling box 100 and 11 magnetic valves are filled with the little algae pearl of immobilization of 3-4mm in the said reactor.
5. according to claim 1 or 3 described little algae wastewater treatment equipments, it is characterized in that said structure of reactor is as follows: be provided with a plurality of stainless steel thief holes (2) along reactor body different heights, reactor top and bottom are respectively equipped with end socket (3) and (4), reactor head is provided with stainless steel baffle plate (5), perforate 2.5mm on the baffle plate, reactor bottom is provided with stainless steel supporting plate (6), little algae loading port (8) is arranged at top, loading port (8) is provided with sealing rubber ring (7), the bottom is provided with little algae pearl and unloads outlet (9), the reactor bottom is provided with intake-outlet (11) and aeration head (12), top and bottom are provided with ring flange (14), are provided with sealing below the ring flange with rubber ring (13); The internal diameter 10mm of each connecting tube of reactor, valve and joint internal diameter 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97218981 CN2338338Y (en) | 1997-06-10 | 1997-06-10 | Micro-algae waste water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97218981 CN2338338Y (en) | 1997-06-10 | 1997-06-10 | Micro-algae waste water treatment equipment |
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|---|---|
| CN2338338Y true CN2338338Y (en) | 1999-09-15 |
Family
ID=33935137
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97218981 Expired - Fee Related CN2338338Y (en) | 1997-06-10 | 1997-06-10 | Micro-algae waste water treatment equipment |
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