CN207483429U - Sewage-treatment plant and system - Google Patents
Sewage-treatment plant and system Download PDFInfo
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- CN207483429U CN207483429U CN201721295650.9U CN201721295650U CN207483429U CN 207483429 U CN207483429 U CN 207483429U CN 201721295650 U CN201721295650 U CN 201721295650U CN 207483429 U CN207483429 U CN 207483429U
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Abstract
The utility model provides a kind of sewage-treatment plant and system, is related to technical field of sewage, which includes gas-liquid mixed unit and the oxidation unit being connect with gas-liquid mixed unit；Gas-liquid mixed unit includes sequentially connected sewage pump, gas-liquid ejector and air and liquid mixer；Air and liquid mixer includes at least one mixed column, and helical blade is equipped in mixed column.The technique effect for because ozone utilization ratio is low caused by gas-liquid mixed unevenness the technical issues of, having reached in the processing equipment of the prior art and having improved ozone utilization rate can be alleviated using the sewage-treatment plant.
Description
Technical field
The utility model is related to technical field of sewage, more particularly, to a kind of sewage-treatment plant and system.
Background technology
In the latest 20 years, the industry such as Chinese printing and dyeing, chemical industry, pharmacy enters rapid development period, the industry supervened
Waste water is also increasing.The waste water of industrial production discharge is often containing a large amount of hardly degraded organic substances and poisonous and harmful substance, if not
It properly administers, ecological environment and human health will be seriously affected.In view of high chemical oxygen demand (the Chemical of industrial wastewater
Oxygen Demand, abbreviation COD) and high chroma, traditional biological treatment degradation effect is little, and high-level oxidation technology is due to oxygen
The unique advantages such as change ability is strong, oxidation rate is fast become one of current such wastewater treatment hot spot.
Currently used oxidation technology is to carry out oxidation processes to sewage with ozone, to decompose the nuisance removed in sewage
Matter.The oxidation-reduction potential of ozone is 2.07V in normal conditions, is extremely strong oxidant.Ozone generates after decomposing in water
The extremely strong antozone of oxidability (O) and hydroxyl radical free radical (OH), can be decomposed into CO by organic pollution2And H2O, so as to
Achieve the purpose that waste water decoloring and reduce COD.And current processing equipment (ozone catalytic equipment) exists because of gas-liquid mixed unevenness
Cause ozone utilization ratio low, so as to cause cost for wastewater treatment it is higher and ineffective the shortcomings that.
In view of this, it is special to propose the utility model.
Utility model content
The first of the utility model is designed to provide a kind of sewage-treatment plant, to alleviate the processing equipment of the prior art
It is middle because ozone utilization ratio is low caused by gas-liquid mixed unevenness the technical issues of.
The second of the utility model is designed to provide a kind of sewage disposal system, and carrying out sewage disposal using the system can
To improve the treatment effect of sewage while cost of sewage disposal is reduced.
In order to realize the above-mentioned purpose of the utility model, spy uses following technical scheme：
A kind of sewage-treatment plant, the oxidation unit being connect including gas-liquid mixed unit and with the gas-liquid mixed unit；
The gas-liquid mixed unit includes sequentially connected sewage pump, gas-liquid ejector and air and liquid mixer；
The air and liquid mixer includes at least one mixed column, and helical blade is equipped in the mixed column.
Further, the helical blade includes left-hand screw blade and right-hand screw blade, the left-hand screw blade and described
Right-hand screw blade is arranged alternately in the mixed column along the axial direction of the mixed column.
Further, the left-hand screw blade and the right-hand screw blade are replaced in the mixed column with 90 ° of angular misalignments
Setting.
Further, the helical blade is the helical blade of 180 ° of distortions.
Further, the transverse and longitudinal ratio of the air and liquid mixer is 0.1-0.15, volume fraction 10-20%.
Further, the flow-rate ratio of the gas-liquid ejector is 0.35-0.45, and lift ratio is 0.25-0.35, and area ratio is
2.5-3.5。
Further, a diameter of (1.3-1.6) d of nozzle entrance in the gas-liquid ejector, air inlet diameter are (2.4-
2.6) d, a diameter of (2.9-3.1) d of converging transition, a diameter of (1.85-2.1) d of mixing chamber, diffuser pipe diameter are (3.4-3.6) d；
Wherein, d is nozzle outlet diameter.
Further, the oxidation unit includes catalyst oxidation reactor.
A kind of sewage disposal system, at the above-mentioned sewage being connect including ozone preparation unit and with the ozone preparation unit
Manage device.
Further, the ozone preparation unit includes oxygenerator and the ozone generator being connect with the oxygenerator, institute
The oxygen for stating oxygenerator generation generates ozone in the ozone generator；The ozone generator is connected to gas-liquid ejector.
Compared with the prior art, the utility model has the advantages that：
Sewage-treatment plant in the utility model by the way that gas-liquid mixed unit is separately provided so that oxidizing gas (such as
Ozone) it is sufficiently mixed in air and liquid mixer in gas-liquid mixed unit with sewage.The air and liquid mixer is by least one
Mixed column composition, and helical blade is equipped in mixed column, ozone is made with sewage in mixed column by the shunting of helical blade
With being uniformly mixed, then enter back into oxidation unit and reacted.Due to being equipped with spiral in the air and liquid mixer in the utility model
Therefore blade, can be such that ozone is sufficiently mixed with sewage, can effectively improve the utilization rate of ozone, and then reduce sewage disposal
Cost simultaneously improves wastewater treatment efficiency.
Sewage disposal system provided by the utility model can with the industrial productions sewage such as advanced treatment of dyeing, chemical industry, pharmacy,
Bio-refractory substance high efficiency is removed, achieve the purpose that sewage decoloring and reduces COD, makes water outlet completely up to standard.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of sewage-treatment plant that the utility model embodiment 1 provides；
Fig. 2 is the structure diagram of the mixed column in the utility model embodiment 3；
Fig. 3 is the structure diagram of the gas-liquid ejector in the utility model embodiment 4；
Fig. 4 is the attachment structure schematic diagram of sewage disposal system that the utility model embodiment 5 provides.
Icon：10- sewage pumps；20- gas-liquid ejectors；30- air and liquid mixers；31- mixed columns；32- helical blades；40-
Oxidation unit；50- ozone preparation units.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State concrete meaning of the term in the utility model.
The one side of the utility model provides a kind of sewage-treatment plant, including gas-liquid mixed unit and with the gas
The oxidation unit of liquid mixed cell connection；It is gentle that the gas-liquid mixed unit includes sequentially connected sewage pump, gas-liquid ejector
Liquid mixer；The air and liquid mixer includes at least one mixed column, and helical blade is equipped in the mixed column.
Sewage-treatment plant in the utility model by the way that gas-liquid mixed unit is separately provided so that oxidizing gas (such as
Ozone) it is sufficiently mixed in air and liquid mixer in gas-liquid mixed unit with sewage.The air and liquid mixer is by least one
Mixed column composition, and helical blade is equipped in mixed column, ozone is made with sewage in mixed column by the shunting of helical blade
With being uniformly mixed, then enter back into oxidation unit and reacted.Due to being equipped with spiral in the air and liquid mixer in the utility model
Therefore blade, can be such that ozone is sufficiently mixed with sewage, can effectively improve the utilization rate of ozone, and then reduce sewage disposal
Cost simultaneously improves wastewater treatment efficiency.
In the utility model, the quantity of mixed column is typical but non-limiting to be, for example,：1,2,3,4,5,7
It is a, 9,11 or 15.
As the utility model preferred embodiment, the helical blade includes left-hand screw blade and right-hand screw blade,
The left-hand screw blade and the right-hand screw blade are arranged alternately in the mixed column along the axial direction of the mixed column.It is logical
It crosses and left-hand screw blade and right-hand screw blade is arranged alternately in mixed column, can constantly change the flow direction of oxidizing gas and liquid,
The two is made constantly to send collision in flowing, to further improve the uniformity that oxidizing gas is mixed with liquid.
Left-hand screw blade can be arranged alternately with right-hand screw blade with any angle, when gas-liquid mixture is by left-hand screw blade
Field flow orientation right-hand screw blade region when, gas-liquid mixture will be struck on right-hand screw blade, so as to change flow direction, into
And make mixing more uniform.
Wherein, multiple left-hand screw blades and right-hand screw blade, the helical-blade being arranged alternately can be set in each mixed column
The quantity of piece is more, and the uniformity after gas-liquid mixed is higher.
As the utility model preferred embodiment, the left-hand screw blade and the right-hand screw blade are in the mixing
It is arranged alternately in column with 90 ° of angular misalignments.When left-hand screw blade and the right-hand screw blade in the mixed column with 90 ° of angular misalignments
When being arranged alternately, the impact force that gas-liquid mixture is subject to is maximum, can further improve the uniformity of mixing.
Above-mentioned 90 ° are staggered and refer to that the rear of previous helical blade differs 90 ° with the leading edge of the latter helical blade.
For example, previous for left-hand screw blade, the latter is right-hand screw blade, then the rear of left-hand screw blade with before right-hand screw blade
Edge differs 90 °.
As the utility model preferred embodiment, the helical blade is the helical blade of 180 ° of distortions.180 ° of torsions
Song can increase the rotation angle of helical blade, and then improve the uniformity of gas-liquid mixture.
As the utility model preferred embodiment, the transverse and longitudinal ratio of the air and liquid mixer is 0.1-0.15, and volume is divided
Rate is 10-20%.Such design can effectively overcome the interfacial tension between gas-liquid fluid, it is ensured that gas-liquid two-phase reaches fully mixed
It closes.
In the above-mentioned preferred embodiment of the utility model, the transverse and longitudinal of air and liquid mixer is than typical but non-limiting example
Such as it is：0.1st, 0.11,0.12,0.13,0.14 or 0.15；The volume fraction of air and liquid mixer is typical but non-limiting for example
For：10%th, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19% or 20%.
As the utility model preferred embodiment, the flow-rate ratio of the gas-liquid ejector is 0.35-0.45, lift ratio
For 0.25-0.35, area ratio is 2.5-3.5.
Wherein, the flow-rate ratio of gas-liquid ejector is typical but non-limiting is, for example,：0.35、0.36、0.37、0.38、
0.39th, 0.40,0.41,0.42,0.43,0.44 or 0.45；The lift of gas-liquid ejector than it is typical but non-limiting be, for example,：
0.25th, 0.26,0.27,0.28,0.29,0.30,0.31,0.32,0.33,0.34 or 0.35；The area of gas-liquid ejector compares allusion quotation
Type but it is unrestricted be, for example,：2.5th, 2.6,2.7,2.8,2.9,3.0,3.1,3.2,3.3,3.4 or 3.5.
As the utility model preferred embodiment, nozzle entrance diameter d in the gas-liquid ejector0For (1.3-
1.6) d, air inlet diameter D1For (2.4-2.6) d, converging transition diameter D2For (2.9-3.1) d, mixing chamber diameter D3For (1.85-
2.1) d, diffuser pipe diameter D4For (3.4-3.6) d；Wherein, d is nozzle outlet diameter.
Nozzle entrance diameter d in above-mentioned gas-liquid ejector0It is typical but non-limiting to be, for example,：1.3d, 1.4d, 1.5d or
1.6d；The air inlet diameter D of gas-liquid ejector1It is typical but non-limiting to be, for example,：2.4d, 2.45d, 2.5d, 2.55d or
2.6d；The converging transition diameter D of gas-liquid ejector2It is typical but non-limiting to be, for example,：2.9d, 2.95d, 3.0d, 3.05d or
3.1d；The mixing chamber diameter D of gas-liquid ejector3It is typical but non-limiting to be, for example,：1.85d、1.9d、1.95d、2.0d、
2.05d or 2.1d；The diffuser pipe diameter D of gas-liquid ejector4It is typical but non-limiting to be, for example,：3.4d、3.45d、3.5d、
3.55d or 3.6d.
Gas-liquid ejector in existing processing equipment calculates the size of each part by empirical equation mostly, often really application
Shi Wufa meets the requirement of high efficiency mass transfer, and the gas-liquid ejector that the utility model preferred embodiment provides is to calculate fluid
Theory of mechanics is design basis, is verified and designed by analogue simulation, has reduced or remitted a large amount of experiment and has groped process.And then reach efficient
The requirement of mass transfer.
As the utility model preferred embodiment, nozzle entrance diameter d in the gas-liquid ejector0For 1.5d, into
Gas port diameter D1For 2.5d, converging transition diameter D2For 3.0d, mixing chamber diameter D3For 2.0d, diffuser pipe diameter D4For 3.5d；Its
In, d is nozzle outlet diameter.By advanced optimizing the dimensional parameters of gas-liquid ejector, gas-liquid two-phase can be further improved
The efficiency of mass transfer, and then shorten incorporation time, improve treatment effeciency.
As the utility model preferred embodiment, the oxidation unit includes catalyst oxidation reactor；Optionally, institute
Catalyst oxidation reactor is stated as fixed bed catalytic oxidation column.
As the utility model preferred embodiment, filled with catalytic filler, institute in the fixed bed catalytic oxidation column
The volume for stating catalytic filler is the 20%-30% of columnar volume；Optionally, the catalytic filler includes aluminium oxide, inorganic bond
Agent and organic binder bond；Optionally, the catalytic filler has further included manganese dioxide-catalyst；Optionally, the aluminium oxide
Specific surface area is 380-420m2/ g, preferably 390-410m2/ g, further preferably 400m2/g.Addition catalytic filler can promote
Into the generation of ozone free chain reaction, ozone utilization ratio is improved.Catalytic filler mechanical strength containing aluminium oxide is higher,
Its specific surface area is larger simultaneously, can promote fully reacting for oxidizing gas and sewage.In addition, load dioxy simultaneously in catalytic filler
Change Mn catalyst, can provide active site makes the organic matter in sewage be more easy to and reacted.
As the utility model preferred embodiment, column diameter and the catalysis of the fixed bed catalytic oxidation column
The diameter ratio of the particle of filler is 15-20.It can keep that bed voidage is more uniform in the cylinder of oxide pillars in this way, be conducive to
Catalytic oxidation is smoothed out.
As the utility model preferred embodiment, in the structure of catalysis oxidation column, ratio of height to diameter is that H/D is 10/1,
Middle H is the height of column of catalysis oxidation column, and D is the column diameter of catalysis oxidation column；The bottom of catalysis oxidation column is equipped with sand core
Air distribution plate, top set reflux line to increase dwell time of sewage and ozone utilization ratio.
Sewage water treatment method is carried out using above-mentioned sewage-treatment plant to include the following steps：Oxidizing gas and sewage are distinguished
The gas-liquid mixed unit being introduced into above-mentioned sewage-treatment plant carries out oxidation reaction into oxidation unit after mixing.Utilize this
Method carries out sewage disposal, can improve the utilization rate of ozone.
As the utility model preferred embodiment, the oxidizing gas includes ozone.The oxidability of ozone is extremely strong,
The organic matter in sewage can be effectively removed.
As the utility model preferred embodiment, the sewage water treatment method is further included oxidizing gas and sewage point
The step of of into gas-liquid mixed unit being passed through oxidant is not introduced into after gas-liquid mixed unit.Oxidant can be with being harmful in sewage
Substance reaction, so as to further improve the treatment effect of sewage.
As the utility model preferred embodiment, oxidant includes the combination of hydrogen peroxide, sodium hypochlorite or both.
The second aspect of the utility model provides a kind of sewage disposal system, including ozone preparation unit and with it is described
The above-mentioned sewage-treatment plant of ozone preparation unit connection.
Sewage disposal system provided by the utility model can with the industrial productions sewage such as advanced treatment of dyeing, chemical industry, pharmacy,
Bio-refractory substance high efficiency is removed, achieve the purpose that sewage decoloring and reduces COD, makes water outlet completely up to standard.
As the utility model preferred embodiment, the ozone preparation unit include oxygenerator and with the oxygenerator
The ozone generator of connection, the oxygen that the oxygenerator generates generate ozone in the ozone generator；The ozone generator
It is connected to gas-liquid ejector；Optionally, the purity for the oxygen that the oxygenerator generates is more than 90%；Optionally, the ozone hair
The mass fraction of ozone generated in raw device is more than 10%.
Oxygenerator utilizes high-voltage electricity using ozone supply generator after pressure swing adsorption method offer high purity oxygen gas, ozone generator
Stream method generation mass fraction is more than 10% ozone.Sewage is conveyed into gas-liquid ejector by sewage pump, while ozone is with microbubble
Mode be inhaled into gas-liquid ejector under the action of jet entrainment vacuum, gas-liquid two fluids inside mixed column with optionally
Oxidant sends to oxidation unit after being sufficiently mixed, ozone generates antozone (O) and hydroxyl free in oxidation unit internal breakup
Base (OH), these oxidizing species can the efficient oxidation removal sewage in organic pollution.
As the utility model preferred embodiment, the special environmentally friendly development in science and technology in the preferably upper Haikang of the oxygenerator has
The oxygenerator of limit company production, model OW-4TB.Its oxygen principle processed is to utilize pressure swing adsorption method by oxygen in air and nitrogen
Separation, the purity of oxygen obtained are more than 90%.
As the utility model preferred embodiment, the special environmentally friendly development in science and technology in the preferably upper Haikang of ozone generator is limited
The ozone generator of company's production, model SOZ-YB-16G, operation principle prepare ozone for electrion, electrion
Frequency is more than 1000Hz, and ozone output is big and low energy consumption.
Sewage disposal system provided by the utility model is described in further details below in conjunction with embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment is a kind of sewage-treatment plant, including gas-liquid mixed unit and with gas-liquid mixed unit
The oxidation unit 40 of connection；Gas-liquid mixed unit includes sequentially connected sewage pump 10, gas-liquid ejector 20 and air and liquid mixer
30；Air and liquid mixer 30 includes five mixed columns, and helical blade is equipped in mixed column.The transverse and longitudinal ratio of air and liquid mixer 30 is
0.12, volume fraction 15%.Wherein, gas-liquid ejector 20 is the gas-liquid ejector of conventional model.Oxidation unit 40 includes solid
Fixed bed catalysis oxidation column, wherein, filled with catalytic filler in fixed bed catalytic oxidation column, the volume of catalytic filler is columnar volume
23%.Catalytic filler includes aluminium oxide, inorganic binder, organic binder bond and manganese dioxide, and the specific surface area of aluminium oxide is
400m2/g.The diameter of the column diameter of fixed bed catalytic oxidation column and the particle of catalytic filler ratio is 15.
Embodiment 2
The present embodiment is a kind of sewage-treatment plant, including gas-liquid mixed unit and the oxidation being connect with gas-liquid mixed unit
Unit；Gas-liquid mixed unit includes sequentially connected sewage pump, gas-liquid ejector and air and liquid mixer；Air and liquid mixer includes five
A mixed column, mixed column is interior to be equipped with helical blade.Helical blade include left-hand screw blade and right-hand screw blade, left-hand screw blade and
Right-hand screw blade is arranged alternately in mixed column along the axial direction of mixed column, and left-hand screw blade and right-hand screw blade are in mixed column
It is interior to be arranged alternately with 30 ° of angular misalignments, and the helical blade that helical blade is 180 ° of distortions.The transverse and longitudinal ratio of air and liquid mixer is
0.12, volume fraction 15%.Wherein, gas-liquid ejector is the gas-liquid ejector of conventional model.Oxidation unit includes fixed bed
Catalysis oxidation column, wherein, filled with catalytic filler in fixed bed catalytic oxidation column, the volume of catalytic filler is columnar volume
23%.Catalytic filler includes aluminium oxide, inorganic binder, organic binder bond and manganese dioxide, and the specific surface area of aluminium oxide is
400m2/g.The diameter of the column diameter of fixed bed catalytic oxidation column and the particle of catalytic filler ratio is 20.
Embodiment 3
The present embodiment is a kind of sewage-treatment plant, and difference lies in the helical blades 32 in mixed column 31 with embodiment 2
Divide left-hand screw blade and right-hand screw blade, wherein left-hand screw blade and right-hand screw blade is handed in mixed column 31 with 90 ° of angular misalignments
For setting, as shown in Fig. 2, other are same as Example 2.
Embodiment 4
The present embodiment is a kind of sewage-treatment plant, and the difference lies in the structure of gas-liquid ejector is not with embodiment 3
Together.The transverse and longitudinal ratio of air and liquid mixer in the present embodiment is 0.12, volume fraction 15%.The flow-rate ratio of gas-liquid ejector is
0.40, lift ratio is 0.30, and area ratio is 3.As shown in figure 3, the structure size at each position of gas-liquid ejector is：Gas-liquid ejector
Middle nozzle entrance diameter d0For 1.5d, air inlet diameter D1For 2.5d, converging transition diameter D2For 3.0d, mixing chamber diameter D3For
2.0d, diffuser pipe diameter D4For 3.5d；Wherein, d is nozzle outlet diameter.
Embodiment 5
As shown in figure 4, the present embodiment is a kind of sewage disposal system, prepared including ozone preparation unit 50 and with ozone single
Sewage-treatment plant in the embodiment 1 of member connection.Ozone preparation unit 50 includes oxygenerator and the ozone being connect with oxygenerator
Generator, the oxygen that oxygenerator generates generate ozone in ozone generator, and ozone generator is connected to gas-liquid ejector 20.
Embodiment 6
The present embodiment is a kind of sewage disposal system, including ozone preparation unit and the implementation being connect with ozone preparation unit
Sewage-treatment plant in example 2.Other structures are same as Example 5.
Embodiment 7
The present embodiment is a kind of sewage disposal system, including ozone preparation unit and the implementation being connect with ozone preparation unit
Sewage-treatment plant in example 3.Other structures are same as Example 5.
Embodiment 8
The present embodiment is a kind of sewage disposal system, including ozone preparation unit and the implementation being connect with ozone preparation unit
Sewage-treatment plant in example 4.Other structures are same as Example 5.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of sewage-treatment plant, which is characterized in that connect including gas-liquid mixed unit and with the gas-liquid mixed unit
Oxidation unit；The gas-liquid mixed unit includes sequentially connected sewage pump, gas-liquid ejector and air and liquid mixer；
The air and liquid mixer includes at least one mixed column, and helical blade is equipped in the mixed column.
2. sewage-treatment plant according to claim 1, which is characterized in that the helical blade include left-hand screw blade and
Right-hand screw blade, the left-hand screw blade and the right-hand screw blade are in the mixed column along the axial direction of the mixed column
It is arranged alternately.
3. sewage-treatment plant according to claim 2, which is characterized in that the left-hand screw blade and the right-hand screw leaf
Piece is arranged alternately in the mixed column with 90 ° of angular misalignments.
4. according to claim 1-3 any one of them sewage-treatment plants, which is characterized in that the helical blade is 180 ° of torsions
Bent helical blade.
5. according to claim 1-3 any one of them sewage-treatment plants, which is characterized in that the transverse and longitudinal of the air and liquid mixer
Than for 0.1-0.15, volume fraction 10-20%.
6. according to claim 1-3 any one of them sewage-treatment plants, which is characterized in that the flow of the gas-liquid ejector
Than for 0.35-0.45, lift ratio is 0.25-0.35, area ratio is 2.5-3.5.
7. according to claim 1-3 any one of them sewage-treatment plants, which is characterized in that nozzle in the gas-liquid ejector
Inlet diameter be (1.3-1.6) d, air inlet diameter be (2.4-2.6) d, a diameter of (2.9-3.1) d of converging transition, mixing chamber diameter
For (1.85-2.1) d, diffuser pipe diameter is (3.4-3.6) d；
Wherein, d is nozzle outlet diameter.
8. according to claim 1-3 any one of them sewage-treatment plants, which is characterized in that the oxidation unit includes catalysis
Oxidation reactor.
9. a kind of sewage disposal system, which is characterized in that connect including ozone preparation unit and with the ozone preparation unit
Claim 1-8 any one of them sewage-treatment plants.
10. sewage disposal system according to claim 9, which is characterized in that the ozone preparation unit includes oxygenerator
The ozone generator being connect with the oxygenerator, the oxygen that the oxygenerator generates generate ozone in the ozone generator；
The ozone generator is connected to gas-liquid ejector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721295650.9U CN207483429U (en) | 2017-10-10 | 2017-10-10 | Sewage-treatment plant and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721295650.9U CN207483429U (en) | 2017-10-10 | 2017-10-10 | Sewage-treatment plant and system |
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| Publication Number | Publication Date |
|---|---|
| CN207483429U true CN207483429U (en) | 2018-06-12 |
Family
ID=62479767
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| CN201721295650.9U Active CN207483429U (en) | 2017-10-10 | 2017-10-10 | Sewage-treatment plant and system |
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| CN (1) | CN207483429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673461A (en) * | 2017-10-10 | 2018-02-09 | 苏州聚智同创环保科技有限公司 | Sewage-treatment plant and method and system |
| CN114262043A (en) * | 2021-12-29 | 2022-04-01 | 威海丰泰新材料科技股份有限公司 | Efficient gas-liquid blending sewage treatment method and device |
-
2017
- 2017-10-10 CN CN201721295650.9U patent/CN207483429U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673461A (en) * | 2017-10-10 | 2018-02-09 | 苏州聚智同创环保科技有限公司 | Sewage-treatment plant and method and system |
| CN114262043A (en) * | 2021-12-29 | 2022-04-01 | 威海丰泰新材料科技股份有限公司 | Efficient gas-liquid blending sewage treatment method and device |
| CN114262043B (en) * | 2021-12-29 | 2024-02-09 | 威海丰泰新材料科技股份有限公司 | Efficient gas-liquid blending sewage treatment method and device |
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