CN109896669A - Mixed flocculation air bearing all-in-one machine - Google Patents
Mixed flocculation air bearing all-in-one machine Download PDFInfo
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- CN109896669A CN109896669A CN201910352054.7A CN201910352054A CN109896669A CN 109896669 A CN109896669 A CN 109896669A CN 201910352054 A CN201910352054 A CN 201910352054A CN 109896669 A CN109896669 A CN 109896669A
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- pipe
- flocculation aid
- sewage
- water
- flocculation
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- 238000005189 flocculation Methods 0.000 title claims abstract description 108
- 230000016615 flocculation Effects 0.000 title claims abstract description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 133
- 239000010865 sewage Substances 0.000 claims abstract description 85
- 239000000126 substance Substances 0.000 claims abstract description 43
- 239000000701 coagulant Substances 0.000 claims abstract description 40
- 239000002253 acid Substances 0.000 claims abstract description 37
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims abstract description 32
- 239000010802 sludge Substances 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 58
- 238000003756 stirring Methods 0.000 claims description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000005345 coagulation Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005188 flotation Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 32
- 238000006243 chemical reaction Methods 0.000 description 19
- 238000005054 agglomeration Methods 0.000 description 9
- 238000007667 floating Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000003002 pH adjusting agent Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000009300 dissolved air flotation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to field of environment engineering technology, specifically disclose a kind of mixed flocculation air bearing all-in-one machine, including into sewage pipe, sewage pump, soda acid chemical feed pipe, soda acid metering pump, soda acid drug-feeding tube, soda acid medicine-chest, coagulant chemical feed pipe, coagulant metering pump coagulant drug-feeding tube, coagulant medicine-chest, water inlet pipe, multinomial medium pump, air inlet pipe, air flow meter, dissolved air water pipe out, dissolved air water branch pipe, sewage pipe, first flocculation aid chemical feed pipe, first flocculation aid metering pump, first flocculation aid drug-feeding tube, flocculation aid medicine-chest, second flocculation aid chemical feed pipe, second flocculation aid metering pump, second flocculation aid drug-feeding tube, cabinet, partition, agitating device, effluent collection pipe, it is discharged delivery line, low level outlet pipe, high-order outlet pipe, motor-driven valve, dross collecting tank and sludge pipe.The problems such as present invention solves flotation waste water treatment technique inferior separating effect in the prior art, takes up a large area, and cost of equipment is high.
Description
Technical field
The present invention relates to field of environment engineering technology more particularly to a kind of mixed flocculation air bearing all-in-one machines.
Background technique
Air floating water purification technology is a kind of efficient, quick solid-liquid separation technique, starts from ore dressing, this technology is led in water process
Domain quite by the concern of domestic and foreign scholars and is rapidly developed, and is widely used to water supply, especially low temperature, low turbid, rich at present
The purified treatment and municipal sewage and Industrial Wastewater Treatment of algae water.Air bearing process is different according to the producing method of bubble,
Electrolysis-coagulation air bearing, gas distribution air bearing and air-dissolving air-float can be divided into, partial reflux formula pressure air-dissolving air-float therein is in water process
Most common technique.Air bearing is that the air by being dissolved in the water depressurizes release suddenly, a large amount of microbubble is formed, after making coagulation
Grain of wadding a quilt with cotton, which floats, to be removed, to reach water purification purpose.The superiority and inferiority of effect depends on the adherency situation of bubble and grain of wadding a quilt with cotton.The fundamental form of adherency
There are mainly three types of formulas: bubble and wadding grain direct collision adherency；Bubble is precipitated from wadding grain surface；Bubble from wadding intergranular gap in grow or
Package.Existing air-flotation separation equipment is separated by solid-liquid separation mainly by the absorption of bubble and particle and jacking to realize, effect is unstable,
Efficiency is poor.Flotation waste water treatment technical process makes full use of the contact medium of microbubble to act on, and makes microbubble, micro-floccule suitable
Reactor in carry out contact flocculation, it is one that the same phase of particulate matter and out-phase contact flocculation process, which are melted two, is ultimately formed suitable
Separation, stable bubble-wadding body co-agglomeration body, to improve daf efficiency.
Traditional air-float technology is all first to be sufficiently mixed coagulant and flocculation aid with pending water, then using fair current
Mode makes pending water and dissolved air water carry out coagulating, to achieve the purpose that water process.When this traditional water treatment technology
Between it is long, while needing to be arranged coagulation dosing unit and coagulating unit, lead to not to form co-agglomeration bubble-wadding body co-agglomeration
Body, separating effect is poor, therefore takes up a large area, and cost of equipment is also high.
Summary of the invention
The object of the present invention is to provide a kind of mixed flocculation air bearing all-in-one machines, to overcome flotation waste water treatment work in the prior art
The problems such as skill inferior separating effect, takes up a large area, and cost of equipment is high.
In order to solve the above-mentioned technical problems, the present invention provides a kind of mixed flocculation air bearing all-in-one machines, including into sewage pipe,
Sewage pump, soda acid chemical feed pipe, soda acid metering pump, soda acid drug-feeding tube, soda acid medicine-chest, coagulant chemical feed pipe, coagulant metering pump are mixed
Solidifying agent drug-feeding tube, water inlet pipe, multinomial medium pump, air inlet pipe, air flow meter, goes out dissolved air water pipe, dissolved air water branch at coagulant medicine-chest
Pipe, sewage pipe, the first flocculation aid chemical feed pipe, the first flocculation aid metering pump, the first flocculation aid drug-feeding tube, flocculation aid medicine-chest, second
Flocculation aid chemical feed pipe, the second flocculation aid metering pump, the second flocculation aid drug-feeding tube, cabinet, partition, agitating device, effluent collection pipe,
It is discharged delivery line, low level outlet pipe, high-order outlet pipe, motor-driven valve, dross collecting tank and sludge pipe；It is described into sewage pipe with it is described
The water inlet of sewage pump connects, and one end of the soda acid chemical feed pipe is connect with described into sewage pipe, the other end and the pH meter
The water outlet connection of amount pump, one end of the soda acid drug-feeding tube are connect with the water inlet of the acid value metering pump, and the other end is located at
In the soda acid medicine-chest, one end of the coagulant chemical feed pipe is connect with described into sewage pipe, the other end and the coagulant meter
The water outlet connection of amount pump, one end of the coagulant drug-feeding tube are connect with the water inlet of the coagulant metering pump, the other end
In the coagulant medicine-chest, the water outlet of the sewage pump is connect by the sewage pipe with the bottom in the partition,
One end of the water inlet pipe is connect with the sewage pipe, and the other end is connect with the water inlet that the multifunctional media pumps, the sky
Air-flow meter is connect by the air inlet pipe with the air inlet that the multifunctional media pumps, the water outlet of the multifunctional media pump
It being connect by the molten gas outlet pipe with the sewage pipe, one end of the dissolved air water branch pipe is connect with the molten gas outlet pipe,
The other end is connect with the middle part in the partition, and one end of the first flocculation aid chemical feed pipe is connect with the sewage pipe,
The other end is connect with the water outlet of the first flocculation aid metering pump, one end of the first flocculation aid drug-feeding tube and described first
The water inlet of flocculation aid metering pump connects, and the other end is located in the flocculation aid medicine-chest, the second flocculation aid chemical feed pipe first
Section connect with the dissolved air water branch pipe, the other end is connect with the water outlet of the second flocculation aid metering pump, described second help it is solidifying
One end of agent drug-feeding tube is connect with the water inlet of the second flocculation aid metering pump, and the other end is located in the flocculation aid medicine-chest,
The partition is bucket-shaped and is located in the cabinet that the output shaft of the agitating device is located in the partition, and the water outlet is received
Collector is located at the bottom in the cabinet and being located at outside the partition, and the low level outlet pipe and high-order outlet pipe pass through described
Water outlet delivery line is connect with the effluent collection pipe, and the motor-driven valve is located on the low level outlet pipe, the top of the cabinet
Equipped with dross collecting tank, the bottom of the dross collecting tank is equipped with sludge pipe, and the height of the low level outlet pipe is lower than the height
The height of position outlet pipe, the height of the high position outlet pipe are equal to the height on the upper edge of the dross collecting tank.
Preferably, described to be equipped with regulating valve into sewage pipe.
Preferably, the soda acid chemical feed pipe, coagulant chemical feed pipe, the first flocculation aid chemical feed pipe and the second flocculation aid chemical feed pipe
On be equipped with regulating valve.
Preferably, it is from upstream to downstream on the sewage pipe and is successively arranged regulating valve, sewage flowmeter, regulating valve, first
Sample tap and first pressure gauge.
Preferably, it is from upstream to downstream on the water inlet pipe and is successively arranged two regulating valves and a vacuum meter.
Preferably, the air inlet pipe is equipped with regulating valve.
Preferably, be from upstream on the molten gas outlet pipe downstream be successively arranged regulating valve, second pressure gauge, regulating valve,
First dissolved air water flowmeter, regulating valve, the second sampling tap and regulating valve.
Preferably, be from upstream on the dissolved air water branch pipe downstream be successively arranged regulating valve, the second dissolved air water flowmeter and
Regulating valve.
Preferably, the agitating device includes blender, stirring rod and stirring blade, and blender is located at the upper of the partition
Just, the stirring rod is located in the partition and coaxial with the partition, and the stirring blade is two, is respectively provided at described stir
Mix the bottom and middle part of bar.
Preferably, the bottom of the cabinet is equipped with evacuated tube, and the evacuated tube is equipped with exhaust-valve.
After independent hybrid reaction system, pump are realized in dosing before mixed flocculation air bearing all-in-one machine of the invention is pumped by setting
Pressure air-dissolving system, again dosing hybrid reaction and molten gas process realize the optimization of coagulation air-float co-agglomeration dissolved air flotation process,
The water level automatic discharge mode that becomes is realized using motor-driven valve control high-low pipe draining in row's dross mode simultaneously, it is simple convenient, it is whole
Set equipment takes up little area, is small investment, high-efficient.The present invention has sufficiently used the basic principle of coagulation air-float co-agglomeration, passes through sewage
The molten gas gas releasing system of dosing mixing and multinomial medium pump releases intensive ultramicro air bubble before pumping, along with the addition of flocculation aid
Wadding body is generated, bridge formation, winding, the net effect of catching occur for band gas wadding body, and the copolymerized body that these three combinations are formed is floating
In the process, it being influenced not but not by shearing force and bubble is made to fall off, dross is sufficiently stable, and moisture content substantially reduces, and
And since the copolymerized body diameter of formation is more much larger than traditional air bearing, also increase many with the density contrast of water, according to this support
Gram this law, ascent rate and partial size it is square directly proportional, directly proportional to particle to the density contrast of water, so, ascent rate ratio
Traditional air bearing is fast, shortens the Reaction Separation time, substantially increases the separative efficiency and stability of airfloat equipment in this way；Flocculation aid
It is added in hybrid separation system by two o'clock, improves adsorption bridging function, the adding manner of dissolved air water is added using two o'clock, both
It can guarantee that raw water can make most of bubble total in hybrid reaction in the case where dosing partially in conjunction with bubble
It is prematurely ruptured in condensed system, the dosing of hybrid reaction co-agglomeration system of change and the mode of dissolved air water can make medicament, original
Water, dissolved air water three more sufficiently effectively mixing, provide advantageous materialization space for the generation of copolymerized body, improve the wadding that floats
The stability of slag and upper floating capacity；Mixed liquor forms rotation by the stirring of blender in hybrid separation reaction zone and the partition of surrounding
The effect of stream, convenient for the hybrid separation of mixed liquor, the dross being easily formed floats to the top of Disengagement zone automatically；Become by interval
Dross is arranged in level control valve control, and thickening of the dross in hybrid separation system in realization can further decrease wadding slag
Moisture content, simple and convenient；The present invention can be used to generate the colloid in sewage and waste water in process for producing life process and hang
Floating object is completed to be separated by solid-liquid separation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the mixed flocculation air bearing all-in-one machine of the embodiment of the present invention.
In figure, 1: into sewage pipe；2: regulating valve；3: regulating valve；4: soda acid chemical feed pipe；5: soda acid metering pump；6: soda acid into
Pencil；7: soda acid medicine-chest；8: regulating valve；9: coagulant chemical feed pipe；10: coagulant metering pump；11: coagulant drug-feeding tube；12: mixed
Solidifying agent medicine-chest；13: sewage pump；14: sewage pipe；15: regulating valve；16: sewage flowmeter；17: regulating valve；18: the first sampling waters
Faucet；19: first pressure gauge；20: multinomial medium pump；21: water inlet pipe；22: regulating valve；23: regulating valve；24: vacuum meter；25:
Air flow meter；26: regulating valve；27: air inlet pipe；28: going out dissolved air water pipe；29: regulating valve；30: second pressure gauge；31: adjusting
Valve；32: regulating valve；33: the first molten Steam-water Flow meters；34: regulating valve；35: the second sampling taps；36: regulating valve；37: the
Two dissolved air water flowmeters；38: regulating valve；39: dissolved air water branch pipe；40: the first flocculation aid chemical feed pipes；41: regulating valve；42: the first
Flocculation aid metering pump；43: the second flocculation aid metering pumps；44: the second flocculation aid chemical feed pipes；45: regulating valve；46: sewage inlet；
47: blender；48: stirring rod；49: stirring blade；50: partition；51: dross collecting tank；52: sludge pipe；53: effluent collection
Pipe；54: water outlet delivery line；55: motor-driven valve；56: high-order outlet pipe；57: low level outlet pipe；58: cabinet；59: exhaust-valve.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply
Relative importance.The meaning of " plurality " is two or more.
As shown in Figure 1, the mixed flocculation air bearing all-in-one machine of the present embodiment includes: to add into sewage pipe 1, sewage pump 13, soda acid
Pencil 4, soda acid metering pump 5, soda acid drug-feeding tube 6, soda acid medicine-chest 7, coagulant chemical feed pipe 9,10 coagulant of coagulant metering pump into
Pencil 11, coagulant medicine-chest 12, water inlet pipe 21, multinomial medium pump 20, air inlet pipe 27, air flow meter 25, go out dissolved air water pipe 28,
Dissolved air water branch pipe 39, sewage pipe 14, the first flocculation aid chemical feed pipe 40, the first flocculation aid metering pump 42, the first flocculation aid drug-feeding tube,
Flocculation aid medicine-chest, the second flocculation aid chemical feed pipe 44, the second flocculation aid metering pump 43, the second flocculation aid drug-feeding tube, cabinet 58, partition
50, agitating device, effluent collection pipe 53, water outlet delivery line 54, low level outlet pipe 57, high-order outlet pipe 56, motor-driven valve 55, dross
Collecting tank 51 and sludge pipe 52.
It is connect into sewage pipe 1 with the water inlet of sewage pump 13, one end of soda acid chemical feed pipe 4 is connect with into sewage pipe 1, another
End is connect with the water outlet of soda acid metering pump 5, and one end of soda acid drug-feeding tube 6 is connect with the water inlet of acid value metering pump 5, the other end
In soda acid medicine-chest 7, one end of coagulant chemical feed pipe 9 is connect with into sewage pipe 1, and the other end goes out with coagulant metering pump 10
Mouth of a river connection, one end of coagulant drug-feeding tube 11 are connect with the water inlet of coagulant metering pump 10, and the other end is located at coagulant medicine
In case 12, the water outlet of sewage pump 13 is connect by sewage pipe 14 with the bottom in partition 50, one end of water inlet pipe 21 and sewage
Pipe 14 connects, and the water inlet of the other end and multifunctional media pump 20 is connect, air flow meter 25 pass through air inlet pipe 27 with it is multi-functional
The air inlet of medium pump 20 connects, and the water outlet of multifunctional media pump 20 is connect by molten gas outlet pipe 28 with sewage pipe 14, molten
One end of air water branch pipe 39 is connect with molten gas outlet pipe 28, and the other end is connect with the middle part in partition 50, the first flocculation aid dosing
One end of pipe 40 is connect with sewage pipe 14, and the other end is connect with the water outlet of the first flocculation aid metering pump 42, the first flocculation aid into
One end of pencil is connect with the water inlet of the first flocculation aid metering pump 42, and the other end is located in flocculation aid medicine-chest, the second flocculation aid
44 first segment of chemical feed pipe is connect with dissolved air water branch pipe 39, and the other end is connect with the water outlet of the second flocculation aid metering pump 43, and second
One end of flocculation aid drug-feeding tube is connect with the water inlet of the second flocculation aid metering pump 43, and the other end is located in flocculation aid medicine-chest, every
Plate 50 is bucket-shaped and is located in cabinet 58 that the output shaft of agitating device is located in partition 50, and effluent collection pipe 53 is located at cabinet 58
Bottom that is interior and being located at outside partition 50, low level outlet pipe 57 and high-order outlet pipe 56 pass through water outlet delivery line 54 and effluent collection
Pipe 53 connects, and motor-driven valve 55 is located on low level outlet pipe 57, and the top of cabinet 58 is equipped with dross collecting tank 51, dross collecting tank 51
Bottom be equipped with sludge pipe 52, the height of the height of low level outlet pipe 57 lower than the high-order outlet pipe 56, high-order outlet pipe 56
Height be equal to dross collecting tank 51 upper edge height.
Regulating valve 2 is equipped with into sewage pipe 1.Soda acid chemical feed pipe 4, coagulant chemical feed pipe 9,40 and of the first flocculation aid chemical feed pipe
Regulating valve 4, regulating valve 9, regulating valve 41 and regulating valve 45 are respectively equipped on second flocculation aid chemical feed pipe 44.From upper on sewage pipe 14
It swims over to downstream and is successively arranged regulating valve 15, sewage flowmeter 16, the sampling tap 18 of regulating valve 17, first and first pressure gauge
19.It is from upstream to downstream on water inlet pipe 21 and is successively arranged regulating valve 22, regulating valve 23 and a vacuum meter 24.It is set in air inlet pipe 27
There is regulating valve 26.Be from upstream on molten gas outlet pipe 28 downstream be successively arranged regulating valve 29, second pressure gauge 30, regulating valve 31,
First dissolved air water flowmeter 33, regulating valve 34, second sample tap 35 and regulating valve 36.It is from upstream on dissolved air water branch pipe 39
Downstream is successively arranged regulating valve 32, the second dissolved air water flowmeter 37 and regulating valve 38.
Agitating device includes blender 47, stirring rod 48 and stirring blade 49, and blender 47 is located at the top of partition 50, stirs
It mixes bar 48 to be located in partition 50 and coaxial with partition 50, the stirring blade 49 is two, is respectively provided at the bottom of stirring rod 48
The middle part and.The bottom of cabinet 58 is equipped with evacuated tube, and evacuated tube is equipped with exhaust-valve 59.
The mixed flocculation air bearing all-in-one machine of the present embodiment may include: sewage dosing hybrid system, the molten gas of multinomial medium pump
System and hybrid separation system.
Sewage dosing hybrid system includes: that 13, three dosing tanks of sewage pump (are respectively charged into coagulant, pH adjusting agent and help
Solidifying agent), four dosing metering pumps, pressure gauge and regulating valve, dosage controlled by flowmeter, coagulant and pH adjusting agent pass through dirt
Water pump self-suction effect sucking, cuts by the high speed rotation of the impeller of water pump, mixes medical fluid with sewage, flocculation aid passes through dosing
Dosing is flocculated in hybrid system after pump is added to pump with flowmeter control.
Multinomial medium pump air dissolving system includes: multinomial medium pump 20, flowmeter, regulating valve and pressure gauge, multinomial medium pump
The sewage in sewage pipe 14 after 20 outputs of sewage pumps 13 sucks the pump housing, and passes through the air inlet pipe 21 before pump on suction line
Air is sucked, after multiphase medium pump 20 is cut repeatedly, pressure maintains within the scope of 0.3~0.5Mpa air, passes through adjusting
The air that valve dissolves in dispersion in water is quickly released, and guarantees that the micro-bubble diameter released at 1~10 micron, passes through dissolved air water
Flowmeter controls additional amount, and the molten carbonated drink one of mixing and the sewage of the preceding dosing hybrid system of pump mutually converge, after converging again with help it is solidifying
The flocculation aid PAM that agent dosing metering pump is added converges, and enters bottom in hybrid separation area, another Zhi Zhi by pipeline after converging
It meets the flocculation aid PAM being added with flocculation aid dosing metering pump to converge, hybrid separation area middle part is entered by pipeline after converging
Position.
Hybrid separation system shape is cylindrical structure, sewage inlet 46 is equipped in hybrid separation internal system, in dirt
The top of water water inlet 46 is hybrid separation area, is entering from the inlet hybrid separation area, while flocculation aid after dissolved air water dosing
PAM is added in the middle part of hybrid reaction area by flocculation aid dosing metering pump, mixed liquor by the stirring of blender 47 in reaction zone and
Hybrid separation is convenient in the effect that the partition 50 of surrounding forms eddy flow, and the dross of formation floats to the top of Disengagement zone, equipment automatically
Interior lower part is equipped with effluent collection pipe 53, and effluent collection pipe 53 is connected with the lower end of water outlet delivery line 53, high-order outlet pipe 56 and
Flat along one on dross collecting tank 51, low level outlet pipe 57 is equipped with solenoid valve 55, and separation equipment lower part is equipped with evacuated tube and row
Empty valve 59, device bottom outside are equipped with supporting leg.
The course of work of the mixed flocculation air bearing all-in-one machine of the present embodiment are as follows:
A, dosing mixes: before coagulant, pH adjusting agent are added to sewage pump by dosing metering pump control dosage, passing through
The effect sucking of sewage pump self-priming, cuts by the high speed rotation of the impeller of water pump, mixes medical fluid with sewage, flocculation aid is by adding
Teat pipette and flowmeter control the chemical feeding points being added in hybrid reaction system；Start sewage pump 13, is controlled and flowed by regulating valve 2
Amount, is shown by sewage flowmeter 16, and coagulant controls dosage by metering pump by metering pump control dosage, pH adjusting agent, point
It Jia Ru not be sucked before medicament to sewage pump 13 by the effect of 13 self-priming of sewage pump, medicament passes through the high speed rotation of the impeller of sewage pump
Cutting, mixes medical fluid with sewage, and flocculation aid is added in dosing hybrid system by metering pump control, 13 suction line of sewage pump
Multinomial medium is set on the road on position in parallel and pumps 20, by sucking certain amount of air, additional amount is the 1% of sewage quantity, is adjusted
Valve 26,23 controls pressure and maintains within the scope of 0.2~0.3Mpa, and pressure is shown by second pressure gauge 30, the water outlet of sewage pump 13
Pipe 14 is added after pipe is connected with dissolved air water to be connected with the first flocculation aid addition pipe 40 again.
B, multinomial medium pumps molten gas: the dissolved air water that multinomial medium pump 20 generates passes through hybrid separation area bottom sewage inlet
Dissolved air water supervisor's addition point is added and flowmeter controls additional amount, ratio accounts for total amount 60%, dissolved air water in the middle part of hybrid separation area
Branch pipe is added and flowmeter controls additional amount, the ratio of addition accounts for total amount 40%, and dosing sewage and dissolved air water occur in pipeline
Collision, which combines, generates largely band gas wadding body, and then and by dosing, the flocculation aid hybrid reaction of addition forms the gas of greater particle size
Bubble with wadding grain copolymerized body, into separation system in separated；Start multinomial medium pump 20, passes through regulating valve 22,23
Flow is controlled, flow is shown that 33 ratio of the first dissolved air water flowmeter accounts for total amount 60%, the second dissolved air water stream by dissolved air water flowmeter
37 ratio of meter accounts for total amount 40%, and control pressure maintains within the scope of 0.2~0.3Mpa, and pressure is shown by second pressure gauge 30,
Dissolved air water and flocculation aid PAM converge the combination that collides in dosing hybrid system, form the bubble of greater particle size and grain of wadding a quilt with cotton
Copolymerized body is entered in hybrid separation system by sewage inlet 46 and is separated.
C, hybrid separation: completion dosing sewage is with dissolved air water hybrid reaction and forms the bubble of greater particle size and being total to for wadding grain
The mixture of poly- complex enters in hybrid separation system, forms eddy flow by partition 50, flow in the middle part of hybrid reaction area with by
The flocculation aid PAM that flocculation aid dosing metering pump is added collides, and after hybrid reaction, forms larger bubble and the copolymerized of grain of wadding a quilt with cotton
The density of the copolymerized body of body, bubble and grain of wadding a quilt with cotton and the density contrast of water are larger, partial size many bigger than particle in raw sewage, meeting
Automatically it rises at the top of equipment, forms scum layer, be discharged by dross collecting tank 51 and sludge pipe 52, purified water passes through mixed
The sewage collecting pipe 53 for closing the lower part of separator is collected, then water pipe 57 is discharged by high-low-position and is discharged, and opens low level outlet pipe
Motor-driven valve 55 on 57 closes the motor-driven valve 55 on low level discharge water pipe 57 until dross is not arranged in draining, and high-order outlet pipe 56 starts
Draining, adjusting the connecting tube on high-order outlet pipe 56 makes height of water level in hybrid separation device be suitble to arrange dross, while the row of realization
Dross after completing deslagging, opens the motor-driven valve 55 at low level on water pipe 57, carries out low level outlet pipe 57 and drains, circulate operation,
55 time of motor-driven valve is opened in control, realizes dross thickening, realizes high water level deslagging, continuous effluent.
After independent hybrid reaction system, pump are realized in dosing before mixed flocculation air bearing all-in-one machine of the invention is pumped by setting
Pressure air-dissolving system, again dosing hybrid reaction and molten gas process realize the optimization of coagulation air-float co-agglomeration dissolved air flotation process,
The water level automatic discharge mode that becomes is realized using motor-driven valve control high-low pipe draining in row's dross mode simultaneously, it is simple convenient, it is whole
Set equipment takes up little area, is small investment, high-efficient.The present invention has sufficiently used the basic principle of coagulation air-float co-agglomeration, passes through sewage
The molten gas gas releasing system of dosing mixing and multinomial medium pump releases intensive ultramicro air bubble before pumping, along with the addition of flocculation aid
Wadding body is generated, bridge formation, winding, the net effect of catching occur for band gas wadding body, and the copolymerized body that these three combinations are formed is floating
In the process, it being influenced not but not by shearing force and bubble is made to fall off, dross is sufficiently stable, and moisture content substantially reduces, and
And since the copolymerized body diameter of formation is more much larger than traditional air bearing, also increase many with the density contrast of water, according to this support
Gram this law, ascent rate and partial size it is square directly proportional, directly proportional to particle to the density contrast of water, so, ascent rate ratio
Traditional air bearing is fast, shortens the Reaction Separation time, substantially increases the separative efficiency and stability of airfloat equipment in this way；Flocculation aid
It is added in hybrid separation system by two o'clock, improves adsorption bridging function, the adding manner of dissolved air water is added using two o'clock, both
It can guarantee that raw water can make most of bubble total in hybrid reaction in the case where dosing partially in conjunction with bubble
It is prematurely ruptured in condensed system, the dosing of hybrid reaction co-agglomeration system of change and the mode of dissolved air water can make medicament, original
Water, dissolved air water three more sufficiently effectively mixing, provide advantageous materialization space for the generation of copolymerized body, improve the wadding that floats
The stability of slag and upper floating capacity；Mixed liquor forms rotation by the stirring of blender in hybrid separation reaction zone and the partition of surrounding
The effect of stream, convenient for the hybrid separation of mixed liquor, the dross being easily formed floats to the top of Disengagement zone automatically；Become by interval
Dross is arranged in level control valve control, and thickening of the dross in hybrid separation system in realization can further decrease wadding slag
Moisture content, simple and convenient；The present invention can be used to generate the colloid in sewage and waste water in process for producing life process and hang
Floating object is completed to be separated by solid-liquid separation.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of mixed flocculation air bearing all-in-one machine, which is characterized in that including into sewage pipe (1), sewage pump (13), soda acid chemical feed pipe
(4), soda acid metering pump (5), soda acid drug-feeding tube (6), soda acid medicine-chest (7), coagulant chemical feed pipe (9), coagulant metering pump (10)
Coagulant drug-feeding tube (11), coagulant medicine-chest (12), water inlet pipe (21), multinomial medium pump (20), air inlet pipe (27), air mass flow
Meter (25), go out dissolved air water pipe (28), dissolved air water branch pipe (39), sewage pipe (14), the first flocculation aid chemical feed pipe (40), first help it is solidifying
Agent metering pump (42), the first flocculation aid drug-feeding tube, flocculation aid medicine-chest, the second flocculation aid chemical feed pipe (44), the metering of the second flocculation aid
Pump (43), the second flocculation aid drug-feeding tube, cabinet (58), partition (50), agitating device, effluent collection pipe (53), water outlet delivery line
(54), low level outlet pipe (57), high-order outlet pipe (56), motor-driven valve (55), dross collecting tank (51) and sludge pipe (52)；It is described
It is connect into sewage pipe (1) with the water inlet of the sewage pump (13), one end of the soda acid chemical feed pipe (4) and described into sewage pipe
(1) it connects, the other end is connect with the water outlet of the soda acid metering pump (5), one end of the soda acid drug-feeding tube (6) and the acid
The water inlet of valence metering pump (5) connects, and the other end is located in the soda acid medicine-chest (7), one end of the coagulant chemical feed pipe (9)
It is connect with described into sewage pipe (1), the other end is connect with the water outlet of the coagulant metering pump (10), and the coagulant is into medicine
One end of pipe (11) is connect with the water inlet of the coagulant metering pump (10), and the other end is located at the coagulant medicine-chest (12)
Interior, the water outlet of the sewage pump (13) is connect by the sewage pipe (14) with the bottom in the partition (50), it is described into
One end of water pipe (21) is connect with the sewage pipe (14), and the water inlet that the other end pumps (20) with the multifunctional media is connect,
The air flow meter (25) is connect by the air inlet pipe (27) with the air inlet of multifunctional media pump (20), described more
The water outlet of function medium pump (20) is connect by the molten gas outlet pipe (28) with the sewage pipe (14), the dissolved air water branch
One end of pipe (39) is connect with the molten gas outlet pipe (28), and the other end is connect with the middle part in the partition (50), institute
The one end for stating the first flocculation aid chemical feed pipe (40) is connect with the sewage pipe (14), the other end and the first flocculation aid metering pump
(42) water outlet connection, the water inlet of one end of the first flocculation aid drug-feeding tube and the first flocculation aid metering pump (42)
Connection, the other end are located in the flocculation aid medicine-chest, the second flocculation aid chemical feed pipe (44) first segment and the dissolved air water branch
(39) connection is managed, the other end is connect with the water outlet of the second flocculation aid metering pump (43), the second flocculation aid drug-feeding tube
One end connect with the water inlet of the second flocculation aid metering pump (43), the other end is located in the flocculation aid medicine-chest, described
Partition (50) is bucket-shaped and is located in the cabinet (58) that the output shaft of the agitating device is located in the partition (50), institute
Effluent collection pipe (53) is stated to be located in the cabinet (58) and be located at the bottom of the partition (50) outside, the low level outlet pipe
(57) it is connect by the water outlet delivery line (54) with the effluent collection pipe (53) with high-order outlet pipe (56), it is described electronic
Valve (55) is located on the low level outlet pipe (57), and the top of the cabinet (58) is equipped with dross collecting tank (51), the dross
The bottom of collecting tank (51) is equipped with sludge pipe (52), and the height of the low level outlet pipe (57) is lower than the high-order outlet pipe (57)
Height, it is described a high position outlet pipe (57) height be equal to the dross collecting tank (51) upper edge height.
2. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that described to be equipped with into sewage pipe (1)
Regulating valve.
3. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that the soda acid chemical feed pipe (4), coagulation
Regulating valve is equipped on agent chemical feed pipe (9), the first flocculation aid chemical feed pipe (40) and the second flocculation aid chemical feed pipe (44).
4. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that from upstream on the sewage pipe (14)
Regulating valve, sewage flowmeter (16), regulating valve, the first sampling tap (18) and first pressure gauge are successively arranged to downstream
(19)。
5. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that from upstream on the water inlet pipe (21)
Two regulating valves and a vacuum meter (24) are successively arranged to downstream.
6. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that the air inlet pipe (27), which is equipped with, adjusts
Save valve.
7. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that on the molten gas outlet pipe (28) from
On swim over to downstream and be successively arranged regulating valve, second pressure gauge (30), regulating valve, the first dissolved air water flowmeter (33), regulating valve,
Two samplings tap (35) and regulating valve.
8. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that on the dissolved air water branch pipe (39) from
On swim over to downstream and be successively arranged regulating valve, the second dissolved air water flowmeter (37) and regulating valve.
9. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that the agitating device includes blender
(47), stirring rod (48) and stirring blade (49), blender (47) are located at the top of the partition (50), the stirring rod (48)
In the partition (50) and with the partition (50) coaxially, the stirring blade (49) is two, is respectively provided at described stir
Mix the bottom and middle part of bar (48).
10. mixed flocculation air bearing all-in-one machine according to claim 1, which is characterized in that the bottom of the cabinet (58) is set
There is evacuated tube, the evacuated tube is equipped with exhaust-valve (59).
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ID=66956555
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Cited By (1)
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Inventor after: Fei Qingzhi Inventor after: Fan Wenxin Inventor after: Jie Xinyu Inventor after: Hou Tingting Inventor after: Xu Zhi Inventor after: Xiao Jinglun Inventor after: Han Yao Inventor after: Liu Zhihang Inventor before: Fei Qingzhi Inventor before: Fan Wenxin Inventor before: Jie Xinyu Inventor before: Hou Tingting Inventor before: Xu Zhi Inventor before: Xiao Jinglun Inventor before: Han Yao Inventor before: Liu Zhihang |