CN203159348U - Two-stage cyclone air flotation separator - Google Patents
Two-stage cyclone air flotation separator Download PDFInfo
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- CN203159348U CN203159348U CN 201320124743 CN201320124743U CN203159348U CN 203159348 U CN203159348 U CN 203159348U CN 201320124743 CN201320124743 CN 201320124743 CN 201320124743 U CN201320124743 U CN 201320124743U CN 203159348 U CN203159348 U CN 203159348U
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Abstract
The utility model relates to a two-stage cyclone air flotation separator which comprises a tank body, wherein the tank body is provided with a first stage water outlet and at least one first stage water inlet; the tank body is internally provided with an inner barrel; an opening is formed in the upper end of the inner barrel; at least one second stage water inlet is formed in the lower side of the inner barrel; the first stage water outlet of the tank body is communicated with the second stage water inlet of the inner barrel by a pipeline; the upper end of the tank body is provided with a second stage scum outlet at the position corresponding to the opening of the inner barrel; a clapboard is arranged between the inner wall of the tank body and the outer wall of the inner barrel; and the space between the inner wall of the tank body and the outer wall of the inner barrel is divided into an upper part and a lower part by the clapboard. According to the two-stage cyclone air flotation separator, the structure is compact, the equipment volume and the occupied land area are reduced, and the effects of removing oil and suspended particulate matter are good, and the two-stage cyclone air flotation separator is suitable for being applied to various fields such as oily water separation and suspended matter separation, and is especially suitable for treating the oily sewage in the petrochemical industry.
Description
Technical field
The utility model relates to a kind of twin-stage cyclone air-flotation and selects separator.
Background technology
Petroleum and petrochemical sector can produce a large amount of oily(waste)waters in production processes such as oil production, processing, crude oil refinement, oil-water separation method commonly used mainly contains: methods such as gravity settling separation, air supporting choosing, hydrocyclone separation, filtering separation.These methods have relative merits and the scope of application separately, and wherein dissolved air flotation technology is owing to technical maturity, and is applied widely, less investment, and low grade of operation and maintenance cost has been widely used in oil, chemical industry oily water treatment.
Tradition dissolved air flotation technology, the residence time is basically between 15 minutes～30 minutes, because overstand, causes that equipment volume is big, floor space is bigger, limited its range of application, particularly the facility compact type has been required the strict place (as FPSO, employing platform etc.) of surveying.Next be traditional dissolved air flotation efficient generally about 80%, more and more can't satisfy the requirement of high oil removal efficiency.
Hydrocyclone is to rely on oil droplet to separate with the sewage density difference, when oil droplet density more and more near sewage density, droplet diameter has under the less situation, the swirler deoiling effect can decline to a great extent, and can't satisfy the oily water treatment requirement; Hydrocyclone is had relatively high expectations, need be increased power-equipment for the low pressure operating mode water inlet pressure simultaneously, and increase investment and use cost, be exactly that the anti-fluctuation of hydrocyclone is little again, adaptability is relatively poor.
The utility model content
The purpose of this utility model is to provide a kind of structure compacter at the deficiencies in the prior art, when having reduced equipment volume and floor space, obtain better oil removing and select separator except the twin-stage cyclone air-flotation of suspended particulate effect, be applicable to Application Areass such as various sump oil water sepn, suspended substance separation, be specially adapted to the processing of petroleum chemical industry oily(waste)water.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of twin-stage cyclone air-flotation selects separator, comprise tank body, described tank body is provided with one-level water outlet and at least one one-level water inlet, in the described tank body inner core is installed, described inner core upper end is provided with opening, described inner core downside is provided with at least one secondary water inlet, the one-level water outlet of described tank body is communicated with the secondary water inlet of described inner core by pipeline, between described inner tank wall and the described inner tank theca dividing plate is installed, described dividing plate is divided into independent and sealing top secondary flotation area and following departmental level flotation area up and down with the space between described inner tank wall and the described inner tank theca, the one-level water inlet of described tank body is arranged on described one-level flotation area, described tank body is provided with the outlet of one-level scum silica frost in downside and the position between the described one-level water inlet of described dividing plate, described tank body is provided with the secondary effluent mouth at the upside of described dividing plate, and the position corresponding with described inner core opening, described tank body upper end is provided with the outlet of secondary scum silica frost.
Described inner core comprises inverted upper loudspeaker section, middle column body segment and bottom awl section from top to bottom successively, and the lower end of described inner core is provided with sewage draining exit, and described sewage draining exit is in communication with the outside.
The inboard position near described inner core upper end open of described tank body is provided with the oil trap of annular.
Described one-level water inlet is arranged on position on the described tank body and makes that the water that enters from described one-level water inlet is tangent with the inwall of described tank body, and it is tangent that described secondary water inlet is arranged on the inwall of the feasible water that enters from described secondary water inlet in position on the described inner core and described inner core.
Owing to adopt said structure, make and compare with original tank body, increased inner core in tank interior, make that the spatial design of tank interior is more reasonable, the flow field is more stable, thereby it is bigger to make that under same intake pressure sump oil water enters the centrifugal force of tank body, inner core also has same advantage, and one-level water inlet and secondary water inlet and inner tank wall and inner core inwall are tangent, tangent generation centrifugal force, and the optimization of tangent position and water inlet caliber can produce bigger centrifugal force; And the reason of secondary water inlet and the bigger centrifugal force of the tangent generation of inner core is that the relative tank body of inner core radius is littler, and the flow field of generation is more stable, thereby centrifugal force is just bigger.
In sum, though increase inner core make be in the tank body or inner core in the flow field more stable, thereby the centrifugal force that firsts and seconds produces all can increase, improved separation efficiency, thereby shorten hydraulic detention time in the cyclone air-flotation device, structure is compacter, when having reduced equipment volume and floor space, has obtained better oil removing and has removed the suspended particulate effect.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of another embodiment of the utility model;
Fig. 3 (a) is one-level sewage water inlet and B-grade sewage water inlet and tank body mode of connection one;
Fig. 3 (b) is one-level sewage water inlet and B-grade sewage water inlet and tank body mode of connection two;
Fig. 3 (c) is one-level sewage water inlet and B-grade sewage water inlet and tank body mode of connection three;
Fig. 3 (d) is one-level sewage water inlet and B-grade sewage water inlet and tank body mode of connection four;
Embodiment
Below in conjunction with accompanying drawing, further describe the embodiment of this patent.
As shown in Figure 1, a kind of twin-stage cyclone air-flotation selects separator, comprises tank body 1, one-level water inlet 2, inner core 3, dividing plate 4, one-level water out 5, secondary water inlet 6, secondary effluent mouth 7, one-level scum silica frost outlet 8, the outlet 9 of secondary scum silica frost and sewage draining exit 10.Described inner core 3 and tank body 1 concentric setting, tank body 1 is divided into flash trapping stage district and secondary disengaging zone by inner core 3, between described tank body 1 inwall and described inner core 3 outer walls dividing plate 4 is installed, described dividing plate 4 is divided into up and down following departmental level flotation area 21 and top secondary flotation area 22 independent and sealing with the space between described tank body 1 inwall and described inner core 3 outer walls, described dividing plate 4 is arranged on apart from the position of tank body 1 bottom 1/3～1/2 tank body, 1 height, and described inner core 3 is made up of column body segment 31, inverted upper loudspeaker section 32 and bottom awl section 33 in the middle of the inner core.
As shown in Figure 2, tank body 1 inboard position near described inner core 3 upper end open is provided with the oil trap 11 of annular, makes that separating the gas that produces discharges from secondary scum silica frost outlet 9, separates the oil that produces and enters oil trap 11, discharges from oil discharge outlet 10.
One-level water inlet 2 and secondary water inlet 6 can select single tube tangentially enter with two-tube become 180 degree respectively with tank body 1 or inner core 3 tangent entering.Specifically, as described in Fig. 3 (a), tank body 1 is provided with an one-level water inlet 2, inner core 3 is provided with a secondary water inlet 6, described one-level water inlet 2 is arranged on position on the described tank body 1 and makes that the water that enters from described one-level water inlet 2 is tangent with the inwall of described tank body 1, and it is tangent that described secondary water inlet 6 is arranged on the inwall of the feasible water that enters from described secondary water inlet 6 in position on the described inner core 3 and described inner core 2; As described in Fig. 3 (b), tank body 1 is provided with two one-level water inlets 2, inner core 3 is provided with two secondary water inlets 6, one-level water inlet 2 and secondary water inlet 6 are evenly laid, two one-level water inlets 2 are arranged on tank body 1 both sides and make the water the tank body 1 flow towards a direction from the water that two water inlets enter, and two secondary water inlets 2 are arranged on inner core 3 both sides and make the water the inner core 3 flow towards a direction from the water that two water inlets enter; As described in Fig. 3 (c), tank body 1 is provided with two one-level water inlets 2, and inner core 3 is provided with a secondary water inlet 6; As described in Fig. 3 (d), tank body 1 is provided with an one-level water inlet 2, and inner core 3 is provided with two secondary water inlets 6.
Principle of work: oily(waste)water is after the gas and liquid mixture that carries a large amount of microbubbles that mixing tank 112 and mixed solution sewage inlet pipe 111 enter mixes, tangentially enter in the one-level flotation area 21 in the tank body 1 by one-level water inlet 2, form eddy flow, microbubble carries oil droplet progressively to tank body 1 one-level flotation area, 21 intermediary movementses and rise to liquid-gas interface, bubble is separated out, and oil droplet forms scum silica frost and discharges through one-level scum silica frost relief outlet 8.Move downward with the sewage after this flotation simultaneously, by one-level water out 5, through mixing tank 121 with after the gas and liquid mixture that carries a large amount of microbubbles that enters by mixed solution water inlet pipe 122 mixes, tangentially enter in the secondary flotation area 22 in the inner core 3 by secondary water inlet 6, form eddy flow, because dividing plate complete closed one-level flotation area 21 and secondary flotation area 22, and described dividing plate 4 is arranged on apart from the position of tank body 1 bottom 1/3～1/2 tank body, 1 height, therefore the space of one-level flotation area 21 is less than secondary flotation area 22, so one-level flotation area 21 is than the pressure height of secondary flotation area 22, therefore secondary flotation area 22 realizes spraying by one-level flotation area 21 sewage pressures, microbubble carries oil droplet and moves to inner core secondary flotation area 22 region intermediates, and rise to secondary flotation separation zone 132 liquid levels, bubble is separated out, and oil droplet forms scum silica frost and discharges through secondary scum silica frost relief outlet 9; Discharge through secondary effluent mouth 7 downwards with the sewage after this flotation simultaneously.
This novel twin-stage cyclone air-flotation device compared with prior art, to produce that centrifugal intensity is bigger, interior flow field is organized more reasonable, structure is more compact, and equipment volume is little, floor space is few, and the while can obtain better oil removing and desanding effect.
Below only be embodiments of the invention, not with restriction the present invention.All any modifications of within principle of the present invention, doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a twin-stage cyclone air-flotation selects separator, comprise tank body, described tank body is provided with one-level water outlet and at least one one-level water inlet, it is characterized in that, in the described tank body inner core is installed, described inner core upper end is provided with opening, described inner core downside is provided with at least one secondary water inlet, the one-level water outlet of described tank body is communicated with the secondary water inlet of described inner core by pipeline, between described inner tank wall and the described inner tank theca dividing plate is installed, described dividing plate is divided into independence and the top secondary flotation area that seals and following departmental level flotation area up and down with the space between described inner tank wall and the described inner tank theca, the one-level water inlet of described tank body is arranged on described one-level flotation area, described tank body is provided with the outlet of one-level scum silica frost in downside and the position between the described one-level water inlet of described dividing plate, described tank body is provided with the secondary effluent mouth at the upside of described dividing plate, and the position corresponding with described inner core opening, described tank body upper end is provided with the outlet of secondary scum silica frost.
2. twin-stage cyclone air-flotation according to claim 1 selects separator, it is characterized in that, described inner core comprises inverted upper loudspeaker section, middle column body segment and bottom awl section from top to bottom successively, and the lower end of described inner core is provided with sewage draining exit, and described sewage draining exit is in communication with the outside.
3. twin-stage cyclone air-flotation according to claim 2 selects separator, it is characterized in that, the inboard position near described inner core upper end open of described tank body is provided with the oil trap of annular.
4. twin-stage cyclone air-flotation according to claim 1 selects separator, it is characterized in that, described one-level water inlet is arranged on position on the described tank body and makes that the water that enters from described one-level water inlet is tangent with the inwall of described tank body, and it is tangent that described secondary water inlet is arranged on the inwall of the feasible water that enters from described secondary water inlet in position on the described inner core and described inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124743 CN203159348U (en) | 2013-03-19 | 2013-03-19 | Two-stage cyclone air flotation separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124743 CN203159348U (en) | 2013-03-19 | 2013-03-19 | Two-stage cyclone air flotation separator |
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| CN203159348U true CN203159348U (en) | 2013-08-28 |
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| CN 201320124743 Expired - Lifetime CN203159348U (en) | 2013-03-19 | 2013-03-19 | Two-stage cyclone air flotation separator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145216A (en) * | 2013-03-19 | 2013-06-12 | 湖南中科富邦科技有限责任公司 | Two-stage rotational-flow air flotation separator |
| CN104445705A (en) * | 2014-09-15 | 2015-03-25 | 浙江永立环保工程有限公司 | Integrated two-stage tandem sewage air-flotation treatment device and sewage treatment process |
| CN110513062A (en) * | 2019-08-27 | 2019-11-29 | 北京石油化工学院 | A kind of vehicular well-flushing liquid processing device |
| CN112844294A (en) * | 2020-12-25 | 2021-05-28 | 武汉中地西能科技有限公司 | Air injection cooperated multi-stage cyclone reactor |
-
2013
- 2013-03-19 CN CN 201320124743 patent/CN203159348U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145216A (en) * | 2013-03-19 | 2013-06-12 | 湖南中科富邦科技有限责任公司 | Two-stage rotational-flow air flotation separator |
| CN103145216B (en) * | 2013-03-19 | 2014-07-30 | 湖南中科富邦科技有限责任公司 | Two-stage rotational-flow air flotation separator |
| CN104445705A (en) * | 2014-09-15 | 2015-03-25 | 浙江永立环保工程有限公司 | Integrated two-stage tandem sewage air-flotation treatment device and sewage treatment process |
| CN104445705B (en) * | 2014-09-15 | 2016-07-06 | 浙江永立环保工程有限公司 | Two-stage series connection integral type sewage air flotation processing device and sewage treatment process |
| CN110513062A (en) * | 2019-08-27 | 2019-11-29 | 北京石油化工学院 | A kind of vehicular well-flushing liquid processing device |
| CN110513062B (en) * | 2019-08-27 | 2021-12-07 | 北京石油化工学院 | Vehicular well-flushing liquid processing apparatus |
| CN112844294A (en) * | 2020-12-25 | 2021-05-28 | 武汉中地西能科技有限公司 | Air injection cooperated multi-stage cyclone reactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
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| CX01 | Expiry of patent term |