CN206767742U - A kind of multiphase flow air-floating apparatus of ozone Multi-class propagation - Google Patents
A kind of multiphase flow air-floating apparatus of ozone Multi-class propagation Download PDFInfo
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- CN206767742U CN206767742U CN201720507295.0U CN201720507295U CN206767742U CN 206767742 U CN206767742 U CN 206767742U CN 201720507295 U CN201720507295 U CN 201720507295U CN 206767742 U CN206767742 U CN 206767742U
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Abstract
The utility model discloses a kind of multiphase flow air-floating apparatus of ozone Multi-class propagation, described device includes mixing chamber, flocculating chamber, contact chamber, separation chamber and multiphase flow pump, and the mixing chamber is connected with flocculating chamber, and water inlet pipe is provided with above mixing chamber；The contact chamber bottom and UNICOM of flocculating chamber, top and UNICOM of separation chamber, are provided with tail gas collection system, the tail gas collection system is connected by pipeline with the pre-oxidation system being arranged on water inlet pipe above contact chamber；The separation chamber top is provided with and scrapes slag system；Molten gas release pipe one end UNICOM contact chamber, the other end are connected with the return-flow system below separation chamber, and the multiphase flow pump is arranged on molten gas release pipe, and multiphase flow pump is connected with air-source and ozone source respectively.The utility model combines pre-oxidation, coagulation, ozonisation air supporting, tail gas recycle etc., solves the problems such as ozone utilization rate is low, multiphase medium mixed effect is poor, gas-liquid mass transfer efficiency is low.
Description
Technical field
A kind of multiphase flow air-floating apparatus of ozone Multi-class propagation is the utility model is related to, belongs to Water purification air flotation technology neck
Domain.
Background technology
Air supporting is a kind of efficient, quick solid-liquid separation technique, and domestic and international air supporting can be divided into according to method caused by bubble
Pressurized dissolved air flotation, turbine air flotation, aeration air supporting, air inducing air flotation, electrofloatation etc..Water purification field, which mainly uses, to be added
Pressure solution air flotation process, suitable for processing of the cosmochrome compared with high and low temperature, low turbid high algae water.Ozone-air-float technology be by
The handling process that ozone oxidation is combined with air flotation technology, ozone aoxidize to the organic matter in water and bacterium etc., have good
Good removes color, smelly, taste, sterilization and other effects.Multiphase flow pump can be used for the conveying with gas-liquid, gas-liquid mixed or gasified liquid, liquid
Body and gas are inhaled into simultaneously in the porch of pump, then complete the dissolubility mixing of gas-liquid two-phase in pressurization in pump,
Gas saturation can reach 100%.Ozonisation air supporting group technology is primarily present problems with：First, ozone dissolves in water
Spend low, utilization rate is not high, and ozone oxidation and air supporting can not organically combine, and tail gas directly discharges；Second, using air-dissolving air-float work
Skill, air flotation effect is poor, and floor space is big, and operation expense is high, and ozone and AIR Proportional are not easy to adjust.
The content of the invention
Technical problem to be solved in the utility model is the defects of presence for prior art, there is provided a kind of new smelly
The multiphase flow air-floating apparatus of oxygen Multi-class propagation.
To solve this technical problem, the utility model provides a kind of multiphase flow air-floating apparatus of ozone Multi-class propagation,
Including mixing chamber, flocculating chamber, contact chamber, separation chamber and multiphase flow pump, the mixing chamber connects with flocculating chamber, in mixing chamber
Top is provided with water inlet pipe；The contact chamber bottom and UNICOM of flocculating chamber, top and UNICOM of separation chamber, on contact chamber
Side is provided with tail gas collection system, and the tail gas collection system is connected by pipeline with the pre-oxidation system being arranged on water inlet pipe；
The separation chamber top is provided with and scrapes slag system；Molten gas release pipe one end UNICOM contact chamber, the other end is with being located under separation chamber
The return-flow system connection of side, the multiphase flow pump are arranged on molten gas release pipe, multiphase flow pump respectively with air-source and ozone source
Connection.
The end for scraping slag system is provided with slag chute, and slag chute bottom sets scum pipe.
The multiphase flow pump uses corrosion-resistant multiphase flow pump.
The mixing chamber and flocculating chamber use Mechanical coagulation.
Beneficial effect：The utility model combines pre-oxidation, coagulation, ozonisation air supporting, tail gas recycle etc., solves
The problems such as certainly ozone utilization rate is low, multiphase medium mixed effect is poor, gas-liquid mass transfer efficiency is low are more using improved high-efficiency corrosion-resistant
Mutually stream pump air-flotation system, ozone and air supporting is organically combined, ozone and air respectively enter multiphase flow pump, and gas-liquid two-phase fills
Dividing mixing, obtain highly dispersed ultramicro air bubble, improve air flotation effect, the more common air dissolving system of capacity of returns reduces 20%-40%,
Reduce cost of investment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1 mixing chamber, 2 flocculating chambers, 3 contact chambers, 4 separation chambers, 5 multiphase flow pumps, 6 return-flow systems, 7 air-sources,
8 ozone sources, 9 molten gas release pipes, 10 tail gas collection systems, 11 pre-oxidation systems, slag system is scraped in 12 water inlet pipes, 13.
Embodiment
Below in conjunction with the accompanying drawings and embodiment specifically describes to the utility model.
Fig. 1 show structural representation of the present utility model.
The utility model includes mixing chamber 1, flocculating chamber 2, contact chamber 3, separation chamber 4 and multiphase flow pump 5.
The mixing chamber 1 and flocculating chamber 2 are connected, and water inlet pipe 12 is provided with above mixing chamber 1.
The bottom of contact chamber 3 and UNICOM of flocculating chamber 2, top and UNICOM of separation chamber 4, above contact chamber 3
Provided with tail gas collection system 10, the tail gas collection system 10 passes through pipeline and the pre-oxidation system 11 being arranged on water inlet pipe 12
Connection.
The top of separation chamber 4 is provided with and scrapes slag system 13.
The molten gas release one end UNICOM contact chamber 3 of pipe 9, the other end and the return-flow system 6 positioned at the lower section of separation chamber 4
Connection.
The multiphase flow pump 5 is connected with air-source 7 and ozone source 8 respectively, and multiphase flow pump 5 is arranged on molten gas release pipe 9.
The end for scraping slag system 13 is provided with slag chute, and slag chute bottom sets scum pipe.
The multiphase flow pump 5 uses corrosion-resistant multiphase flow pump.
The mixing chamber 1 and flocculating chamber 2 use Mechanical coagulation.
Processing method of the present utility model：Raw water sequentially enters mixing chamber 1 and wadding after pre-oxidation system 11 pre-oxidizes
Solidifying room 2, coagulant use PAFC, and the floc particle after coagulation enters contact chamber 3；Air 7, ozone 8 and water
Medium enters multiphase flow pump 5, and caused dissolved air water discharges pipe 9 by molten gas and enters contact chamber 3；Ozone, the air of release
Ultramicro air bubble is completed to touch improvement air flotation effect with the flco in raw water, impurity, and the density of formation is less than water by ultramicro air bubble
Flco, which takes to, forms scum silica frost on the water surface, discharged by scraping slag system 13；Raw water after the completion of reaction enters separation chamber 4, on the water surface
It is further processed after scum silica frost discharge, ozonizes tail gas caused by air supporting and pre-oxidation system is entered by tail gas collection system 10
11 are pre-oxidized, and further improve the operational effect of technique.
Caused tail gas after the ozone air-float that described ozone pre-oxidation source of the gas is collected from contact chamber 3, ozone are thrown
Add some points before mixed zone, added using jet, dosage 0.5-1mg/L.
The described time of contact of contact chamber 3 is 3-5min, and the residence time of separation chamber 4 is not less than 30min.
The source of the gas of multiphase flow pump 5 is air-source 7 and ozone source 8, and the mass concentration of ozone is in 8%-10%, air and smelly
The ratio that adds of oxygen determines according to water quality situation, can be adjusted by flowmeter, and air and ozone add ratio as 5:1-2:1.
Air-flotation system reflux ratio is 10%-30%, and the outlet pressure of multiphase flow pump 5 is 0.3-0.5Mpa.
Described tail gas collection system 10 is by the tail gas collection system 10 of the top of contact chamber 3 to smelly caused by air supporting
The tail gas such as oxygen are collected, and are entered pre-oxidation system 11 by ejector, are strengthened flocculating effect, avoid ozone pollution, improve
The utilization rate of ozone.
Embodiment
Certain Pilot Base handle low temperature and low turbidity water, raw water turbidity 2.51-5.62NTU, 8.1-10.5 DEG C of water temperature, CODMn,
UV254, TOC average value are respectively 3.09mg/L, 0.043,3.59mg/L, and chlorophyll a is 15.2 μ g/L.
Pilot-plant treatment scale 5m3/ h, raw water sequentially enter mixing chamber 1 and flocculating chamber 2, and coagulant uses polyaluminium
Ferro-aluminum, dosage 6mg/L, flocculation time control is 13~15min, and flocculation rate gradient G value is 50~80S-1；Pre-oxidation
Ozone dosage is in 0.5mg/L；Floc particle enters contact chamber 3 and separation chamber 4, and the time of contact of contact chamber 3 is
4min, the residence time of separation chamber 4 are 30min, and multiphase flow pump 5 produces ozone and the ultramicro air bubble of air contacts with flco, flco
Liquid surface is taken to, by scraping slag system discharge；Backflow water yield 6 is 1m3The ratio of/h, air and ozone is 3:1, ozone flow
3L/min, the outlet pressure of multiphase flow pump 5 is 0.45Mpa；Molten gas release pipe 9 is DN25 straight tubes, apart from bottom of pond 15cm；By dividing
From equipment water outlet behind area, into subsequent processing units；After caused tail gas is collected by tail gas collection system 10 after air supporting, into pre-
Oxidative system 11.
Table 1 is that different disposal PROCESS FOR TREATMENT outlet effect contrasts situation, it can be seen that ozone-air supporting group technology water outlet
Effect is better than traditional air-float technology.
The different disposal PROCESS FOR TREATMENT outlet effect of table 1 contrasts
The utility model combines pre-oxidation, coagulation, ozonisation air supporting, tail gas recycle etc., solves ozone profit
With the problem such as rate is low, multiphase medium mixed effect is poor, gas-liquid mass transfer efficiency is low：1) improved high-efficiency corrosion-resistant multiphase flow pump is used
Air-flotation system, ozone and air supporting are organically combined, ozone and air respectively enter multiphase flow pump, and gas-liquid two-phase is fully mixed
Close, obtain highly dispersed ultramicro air bubble, improve air flotation effect, the more common air dissolving system of capacity of returns reduces 20%-40%, reduced
Cost of investment；2) by adjusting the gas with various ratio such as air and ozone, independent air flotation, ozonisation air supporting, sky are formed
Gas/ozone mixing air supporting, pre-oxidation-ozonisation air-flotation process technique, the inhomogeneities such as low-temperature and low turbidity, Gao Zao, micro- pollution can be tackled
The water source of type, the water source for being difficult to independent air-flotation process can be handled；3) as pre-oxidation after caused ozone tail gas is collected after air supporting
Agent, the Multi-class propagation of ozone is realized, improves coagulation effect, improved the annoying buoyancy of flco, reduce contact chamber
Design cooling load, ozone utilization rate be more than 98%.
The utility model the embodiment above, is merely illustrative, be not it is only, it is all in the scope of the utility model
Or the change in equivalent the scope of the utility model is surrounded by the utility model.
Claims (4)
- A kind of 1. multiphase flow air-floating apparatus of ozone Multi-class propagation, it is characterised in that：Including mixing chamber (1), flocculating chamber (2), gas Floating contact chamber (3), separation chamber (4) and multiphase flow pump (5), the mixing chamber (1) and flocculating chamber (2) connection, on mixing chamber (1) Side is provided with water inlet pipe (12)；Contact chamber (3) bottom and flocculating chamber (2) UNICOM, top and separation chamber (4) UNICOM, Be provided with tail gas collection system (10) above contact chamber (3), the tail gas collection system (10) by pipeline be arranged on into Pre-oxidation system (11) connection on water pipe (12)；Separation chamber (4) top is provided with and scrapes slag system (13)；Molten gas release pipe (9) one end UNICOM contact chamber (3), the other end are connected with the return-flow system (6) below separation chamber (4), the multiphase Stream pump (5) is arranged on molten gas release pipe (9), and multiphase flow pump (5) is connected with air-source (7) and ozone source (8) respectively.
- 2. the multiphase flow air-floating apparatus of ozone Multi-class propagation according to claim 1, it is characterised in that：It is described to scrape slag system (13) end is provided with slag chute, and slag chute bottom sets scum pipe.
- 3. the multiphase flow air-floating apparatus of ozone Multi-class propagation according to claim 1, it is characterised in that：The multiphase flow pump (5) corrosion-resistant multiphase flow pump is used.
- 4. the multiphase flow air-floating apparatus of the ozone Multi-class propagation according to claim any one of 1-3, it is characterised in that：It is described Mixing chamber (1) and flocculating chamber (2) use Mechanical coagulation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720507295.0U CN206767742U (en) | 2017-05-09 | 2017-05-09 | A kind of multiphase flow air-floating apparatus of ozone Multi-class propagation |
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| CN201720507295.0U CN206767742U (en) | 2017-05-09 | 2017-05-09 | A kind of multiphase flow air-floating apparatus of ozone Multi-class propagation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482677A (en) * | 2019-06-10 | 2019-11-22 | 重庆工商大学 | A kind of sewage-treatment plant based on partial reflux formula pressure air-dissolving air-float |
-
2017
- 2017-05-09 CN CN201720507295.0U patent/CN206767742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482677A (en) * | 2019-06-10 | 2019-11-22 | 重庆工商大学 | A kind of sewage-treatment plant based on partial reflux formula pressure air-dissolving air-float |
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