CN207468252U - Spin current flotation device - Google Patents
Spin current flotation device Download PDFInfo
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- CN207468252U CN207468252U CN201721218415.1U CN201721218415U CN207468252U CN 207468252 U CN207468252 U CN 207468252U CN 201721218415 U CN201721218415 U CN 201721218415U CN 207468252 U CN207468252 U CN 207468252U
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- outer barrel
- inner cylinder
- reverse taper
- dregs
- spin current
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Abstract
The utility model discloses a kind of spin current flotation devices, it includes outer barrel, inner cylinder and reverse taper, inner cylinder and reverse taper are in the inside for being fixedly mounted on outer barrel up and down, gap is formed between the outer side surface of inner cylinder and the interior sidewall surface of outer barrel, cyclonic separation room is formed inside the gap and reverse taper between outer barrel and inner cylinder；Clarifying chamber is formed in the outside of reverse taper and the lower part of outer barrel；Dregs of fat flotation is formed in the inside of inner cylinder and the top of outer barrel and gas surplus room, the dregs of fat are collected into slag-drip opening by dregs of fat collecting device and are excluded；Outer barrel bottom is provided with heavy phase media outlet and clarified solution outlet, and outer barrel, which is internally located between reverse taper and inner cylinder, is installed with static mixer, and the microbubble generator being in communication with the outside is equipped in the inside of reverse taper；The side wall surface of outer barrel is provided with arc line shaped tangential admission device, and is provided with dregs of fat outlet and excess gas outlet above arc line shaped tangential admission device.
Description
Technical field
The utility model is related to a kind of oily wastewater separation equipment, more specifically to a kind of floor space is small, processing
It is efficient, the mechanical equipment of water-oil separating is carried out to oily wastewater.
Technical background
At present, handling the main method of water-oil separating has Gravity separate, centrifugal separation, electrically separated, adsorbing separation, gas
Floating separation.
Wherein Gravity separate, the mainly relative density using oil, gas and water are different, the certain oil water mixture of component
Under certain pressure and temperature, heavier component carries out sedimentation separation according to the Stokes characteristics of motion, this kind equipment is with inclined plate
Sedimentation oil expeller is representative, and by being designed thus according to sedimentation theory, therefore, such occupation area of equipment is big, processing
Efficiency is low.Centrifugal separation is mainly different using the density of grease, make high-speed rotating oil-water mixture generate it is different from
Mental and physical efforts carry out water-oil separating.Since centrifugation apparatus has moving component, daily maintenance is more difficult, the centrifugation currently used for water-oil separating
Equipment is only applied to the analytical equipment in laboratory and needs to reduce the place of floor space.Electrically separated principle is that oily wastewater is put
In the ac or dc electrical field of high pressure, due to effect of the electric field to water droplet, oil-water interfaces film-strength is weakened, promotes water droplet
Collision, aggregation, form big particle and are separated from sewage, due to utilizing the high-water content oily wastewater of electric evaporation process
When, necessary electric field strength between the two poles of the earth can not be established due to electrical breakdown, electrically separated method does not use individually.Absorption point
From the difference for mainly utilizing grease affine situation to solid matter, using ceramics, sawdust, fibrous material, walnut shell etc. to containing
Oil droplet in oily water is adsorbed, and individually water-oil separating is taken up a large area using adsorbent, and recoils
It washes, technological process is more complicated.Mainly by micro-bubble is formed in water, carrying wadding grain, which floats up to liquid level, makes oil-containing for dissolved air flotation
A kind of mode of sewage purification, but traditional air supporting takes up a large area, oil droplet sedimentation time in air supporting is long, therefore handles effect
Rate is low.
Utility model content
The purpose of this utility model is to provide a kind of spin current flotation device, the oil-containing that can be effectively reduced in oily wastewater
Rate, and sewage residence time in the utility model spin current flotation device is short, treatment effeciency is high, small suitable for floor space, special
It Shi He not offshore work platform.
Spin current flotation device in the utility model includes outer barrel, inner cylinder and reverse taper, and the inner cylinder is fixed
Mounted on the inside of the outer barrel, it is formed between the outer side surface of the inner cylinder and the interior sidewall surface of the outer barrel
Gap；The reverse taper is also fixedly mounted on the inside of the outer barrel, and positioned at the lower section of the inner cylinder, in the outer barrel
Cyclonic separation room is formed inside gap and the reverse taper between body and the inner cylinder；In the outside of the reverse taper and outside
Clarifying chamber is formed at the lower part of cylinder；Dregs of fat flotation and gas mistake are formed in the inside of the inner cylinder and the top of the outer barrel
Surplus room, dregs of fat collecting device is provided in the dregs of fat flotation and gas surplus interior；
The outer barrel bottom is provided with the heavy phase media outlet connected with the clarifying chamber and clarified solution outlet, described
Outer barrel is internally located between the reverse taper and the inner cylinder and is installed with static mixer, in the reverse taper
Portion is equipped with the microbubble generator being in communication with the outside；
The side wall surface of the outer barrel be provided with oily wastewater and dissolved air water can be inputted the outer barrel and inner cylinder it
Between arc line shaped tangential admission device in gap, and be provided with dregs of fat outlet, mistake above arc line shaped tangential admission device
Surplus gas discharge outlet.
Cylinder of the inner cylinder for a up/down perforation, the 0.5 of a diameter of outer barrel diameter of the inner cylinder
~0.7 times.
The dregs of fat outlet is set close to the arc line shaped tangential admission device, and the excess gas outlet is arranged on
On upper cover at the top of the outer barrel.
Spin current flotation device is also equipped with the safety guard that is fixedly mounted on the upper cover and on described
End socket and the liquid level gauge on the outer barrel body sidewall.
The inner cylinder is removedly fixedly mounted on the interior sidewall surface of the outer barrel via the flange on outer side surface
On.
The microbubble generator also in inverted cone shape, inside the reverse taper, is welded in the microbubble generator
For generating the porous plate of microbubble group.
The aperture of the porous plate is between 8~15mm.
Spin current flotation device in the utility model forms the rotating centrifugal field of force by the tangential admission of self structure, will be big
Particle is separated to bottom flow tube, and liquid and other impurity (oily particle) less than or equal to fluid density are produced in microbubble generator
It is overflowed under raw bubble from overflow pipe, makes elaioleucite adsorption rate high, and porous plate also acts as the effect of current stabilization.
Description of the drawings
Fig. 1 is the structure diagram of spin current flotation device in the utility model.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiment in the utility model.
As shown in Figure 1, the oil pump capacity that the spin current flotation device in the utility model is suitable for oily wastewater is less than 20mg/
L includes outer barrel 5, inner cylinder 6, reverse taper 3, static mixer 4, safety guard 10 and liquid level gauge 11, wherein：
Inner cylinder 6 is the cylinder of a up/down perforation, and the outer diameter of inner cylinder 6 is less than the internal diameter of outer barrel 5, and inner cylinder 6 is logical
The inside that the connection structures such as flange or lug 16 are fixedly mounted on outer barrel 5 is crossed, in outer side surface and the outer barrel 5 of inner cylinder 6
Interior sidewall surface between be formed with gap 15,0.5~0.7 times of 5 diameter of a diameter of outer barrel of inner cylinder 6.
Reverse taper 3 is fixedly mounted on the inside of outer barrel 5, and positioned at the lower section of inner cylinder 6, the top of reverse taper 3 is close to
The internal face of outer barrel 5, and can be specifically that the top welded seal of reverse taper 3 is fixed on the inside of outer barrel 5 in seal shape
On wall surface, making to enter the oily wastewater inside outer barrel 5 can only be entered by 3 inside of reverse taper, make to enter 5 inside shape of outer barrel
Into spin current more flow field stablize.
Eddy flow is formed using gap 15 of the above structure between outer barrel 5 and inner cylinder 6 and inside reverse taper 3
Separation chamber；Clarifying chamber 13 is formed in the outside of reverse taper 3 and the lower part of outer barrel 5；Simultaneously in the inside of inner cylinder 6 and outer barrel
Dregs of fat flotation and gas surplus room 17 are formed at 5 top, and dregs of fat collection is provided in dregs of fat flotation and gas surplus room 17 and is set
Standby (not shown).
Static mixer 4 uses SK type static mixing piece groups, is commercially available matured product, is no longer described in detail herein.It is static
Mixer 4 is fixedly mounted between reverse taper 3 and inner cylinder 6, and close to the upper surface of reverse taper 3.Utilize SK type static mixings
Piece group can play the role of cutting air pocket, and superfluous elaioleucite is made to increase touch opportunity with bubble, improve deoiling effect.
5 bottom of outer barrel is provided with the heavy phase media outlet 1 connected with clarifying chamber 13 and clarified solution outlet 12, while outer
The bottom of cylinder 5 is provided with the export mouth 18 of microbubble generator 2, and microbubble generator 2 is fixedly mounted on the interior of reverse taper 3
Portion, and be in communication with the outside, bubble can be passed through to the inside of reverse taper 3.Microbubble generator 2 is also in inverted cone shape, and internal welding is useful
In the porous plate for generating microbubble group, the aperture of the porous plate is between 8~15mm.Using the perforated plate construction in inverted cone shape,
Uniformly tiny bubble population can be generated, is fully combined with the elaioleucite isolated in spin current so that sewage is in spin current flotation
Residence time in machine is short, and treatment effeciency is high.
Outer barrel 5 is provided with close to the position at top in side wall surface and can oily wastewater and dissolved air water be inputted 5 He of outer barrel
Arc line shaped tangential admission device 7 between inner cylinder 6 in gap 15, and be provided in the top of arc line shaped tangential admission device 7
Dregs of fat outlet 8.
Excess gas outlet 9 is set up directly on the upper cover 14 at 5 top of outer barrel, while is pacified on upper cover 14
Equipped with safety guard 10 and liquid level gauge 11, the bottom of wherein liquid level gauge 11 is fixed on the outer side surface of outer barrel 5.
The specific course of work of spin current flotation device is：
Oily wastewater and dissolved air water pass through after uniformly mixing and enter outer barrel 5 and inner cylinder 6 by camber line tangential admission device 7
Between gap 15 in, i.e., into spinning tangential motion in cyclonic separation room, is made in cyclonic separation room, (also referred to as spin leaves
The heart moves)；Briefly using arc line shaped tangential admission device 7 and the power to oily wastewater, in outer barrel 5 and inner cylinder 6
Between gap 15 in flow in the shape of a spiral, make heavy phase medium in oily wastewater and water under the influence of centrifugal force along camber line
The fluid trajectory of shape is entered in reverse taper 3, is entered further along the inner wall of reverse taper 3 by 5 lower part of outer barrel and to outside cone 3
In the clarifying chamber 13 of portion's composition, the water after clarification is discharged by clarified solution outlet 12, heavy phase medium run up to after certain altitude by
Heavy phase media outlet 1 is discharged.
Light phase medium (referring mainly to oil-containing particle) entered after the flowing of 15 inside spin shape of gap the inside of reverse taper 3 and with it is interior
Between 6 bottom of cylinder, the suction-operated of the microbubble group generated via porous plate in microbubble generator 2 and porous plate
Current stabilization acts on, and makes light phase medium and oil-containing particle under the action of porous plate to 6 ionized motion of inner cylinder.Big bubble motion arrives
Minute bubbles are cut into after the mixed device 4 of static state, bubble is gathered into big with superfluous elaioleucite under the immixture of static mixer 4
Particle.Big oil-containing particle, due to density contrast, and by means of the buoyancy of bubble, rises to dregs of fat flotation and gas mistake with water
In surplus room 17.Into the dregs of fat in dregs of fat flotation and gas surplus room 17 under the Liquid level effect of liquid level gauge 11, pass through oil
Slag collecting device is discharged by dregs of fat outlet 8, and excess gas is discharged by excess gas outlet 9, returns to gas-solution water generator ginseng
With the generation of bubble.
In order to ensure the trouble free service of spin current flotation device, superpressure in use is prevented, therefore on upper cover 14
Equipped with safety guard 10, while in order to which the dregs of fat is enable smoothly to discharge, by setting liquid level gauge 11 to dregs of fat flotation and gas
Superfluous room 17 is controlled.
The operation principle of safety guard 10, liquid level gauge 11 is no longer described in detail, for those skilled in the art
It is easy to implement for member.
Claims (7)
1. a kind of spin current flotation device includes outer barrel (5), inner cylinder (6) and reverse taper (3), which is characterized in that in described
Cylinder (6) is fixedly mounted on the inside of the outer barrel (5), in outer side surface and the outer barrel (5) of the inner cylinder (6)
Interior sidewall surface between be formed with gap；The reverse taper (3) is also fixedly mounted on the inside of the outer barrel (5), and be located at
The lower section of the inner cylinder (6), the gap and the reverse taper (3) between the outer barrel (5) and the inner cylinder (6) are interior
Portion forms cyclonic separation room；Clarifying chamber is formed in the outside of the reverse taper (3) and the lower part of outer barrel (5)；In the inner cylinder
Dregs of fat flotation and gas surplus room (17) are formed at the inside of body (6) and the top of the outer barrel (5), in the dregs of fat flotation and
Dregs of fat collecting device is provided in gas surplus room (17)；
Outer barrel (5) bottom is provided with the heavy phase media outlet (1) connected with the clarifying chamber (13) and clarified solution discharge
Mouth (12), the outer barrel (5), which is internally located between the reverse taper (3) and the inner cylinder (6), is installed with static mix
Clutch (4) is equipped with the microbubble generator (2) being in communication with the outside in the inside of the reverse taper (3)；
The side wall surface of the outer barrel (5), which is provided with, to input the outer barrel (5) and inner cylinder by oily wastewater and dissolved air water
(6) the arc line shaped tangential admission device (7) between in gap, and it is provided with oil above arc line shaped tangential admission device (7)
Slag outlet (8), excess gas outlet (9).
2. spin current flotation device according to claim 1, which is characterized in that the inner cylinder (6) is a up/down perforation
Cylinder, 0.5~0.7 times of a diameter of outer barrel (5) diameter of the inner cylinder (6).
3. spin current flotation device according to claim 2, which is characterized in that the dregs of fat outlet (8) is close to the arc
Linear tangential admission device (7) setting, the excess gas outlet (9) are arranged on the upper cover at the top of the outer barrel (5)
(14) on.
4. spin current flotation device according to claim 3, which is characterized in that spin current flotation device is also equipped with fixed installation
Safety guard (10) on the upper cover (14) and positioned at the upper cover (14) and the outer barrel (5) side wall
On liquid level gauge (11).
5. spin current flotation device according to claim 2, which is characterized in that the inner cylinder (6) is via on outer side surface
Flange be removedly fixedly mounted in the interior sidewall surface of the outer barrel (5).
6. spin current flotation device according to claim 1, which is characterized in that the microbubble generator (2) is also in back taper
Shape, it is internal positioned at the reverse taper (3), the porous plate for generating microbubble group is welded in the microbubble generator (2).
7. spin current flotation device according to claim 6, which is characterized in that the aperture of the porous plate 8~15mm it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218415.1U CN207468252U (en) | 2017-09-20 | 2017-09-20 | Spin current flotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218415.1U CN207468252U (en) | 2017-09-20 | 2017-09-20 | Spin current flotation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207468252U true CN207468252U (en) | 2018-06-08 |
Family
ID=62269741
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721218415.1U Active CN207468252U (en) | 2017-09-20 | 2017-09-20 | Spin current flotation device |
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| Country | Link |
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| CN (1) | CN207468252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586340A (en) * | 2019-09-30 | 2019-12-20 | 郑州大学 | Coarse particle mineral hydraulic flotation equipment and method based on orifice plate hydraulic cavitation bubble formation |
-
2017
- 2017-09-20 CN CN201721218415.1U patent/CN207468252U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586340A (en) * | 2019-09-30 | 2019-12-20 | 郑州大学 | Coarse particle mineral hydraulic flotation equipment and method based on orifice plate hydraulic cavitation bubble formation |
| CN110586340B (en) * | 2019-09-30 | 2021-11-02 | 郑州大学 | Coarse particle mineral hydraulic flotation equipment and method based on orifice plate hydraulic cavitation bubble formation |
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