CN108579143A - A kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser - Google Patents
A kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser Download PDFInfo
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- CN108579143A CN108579143A CN201810496859.4A CN201810496859A CN108579143A CN 108579143 A CN108579143 A CN 108579143A CN 201810496859 A CN201810496859 A CN 201810496859A CN 108579143 A CN108579143 A CN 108579143A
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- hydraulic cyclone
- diffuser
- flow
- waterpower
- setting pot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of flat flow hydraulic cyclone setting pot hydraulic cyclone dispersers, it is characterized in that the hydraulic cyclone disperser includes hydraulic cyclone pump, the hydraulic cyclone pump is installed on setting pot water outlet, for the sewage for having separated sand grains to be pressed into waterpower diffuser；Waterpower diffuser, the waterpower diffuser is fixed on bottom of pond along pond length direction by rack support, the waterpower diffuser uses reducing form, it is big close to Turo pump side caliber, it is small far from Turo pump side caliber, jet nozzle is installed at a certain distance on waterpower diffuser, sprays to form vertical eddy flow from each nozzle of waterpower diffuser, and be superimposed to form spiral flow with the level stream along pond length direction.The present invention is arranged by waterpower diffuser reducing, reaches and saves tubing purpose；By to jet nozzle opening direction optimal design-aside, improving eddy flow effect.
Description
Technical field
The invention patent relates to sewage disposal environmental technology field, specially a kind of flat flow hydraulic cyclone sand setting tank waterpower
Eddy flow disperser.
Background technology
Traditional horizontal flow type grit chamber sand setting effect is affected by amount of inlet water and water inlet sand content fluctuation, while sand setting
Content of organics is higher, needs to carry out special washed-out sand processing；Aerated grit chamber forms the eddy flow of water by aeration, increases sand grains
Between collision friction chance, desanding efficiency and sand grains organic matter separating effect are preferable, while having good impact resistance, but because of dirt
Water preaeration acts on, and the foundation for detesting anaerobic environment to subsequent bio conversion zone denitrogenation dephosphorizing has detrimental effect, additionally increases
Aerator is added, cost of equipment is high, increases operation and maintenance difficulty.
Flat flow hydraulic cyclone setting pot utilizes flow jet action formation perpendicular to the vertical eddy flow of pond length direction, and with
Level stream in setting pot along pond length direction is superimposed to form spiral flow.Anti impulsion load, sand setting effect i.e. with aerated grit chamber
The advantage that rate is high and sand grains content of organics is low, while the preaeration for overcoming aerated grit chamber is acted on to subsequent bio section denitrogenation
The adverse effect of dephosphorization.The quality that can be seen that flat flow hydraulic cyclone setting pot desanding effect from desanding mechanism relies primarily on
It is acted in hydraulic cyclone, thus simple, high-efficiency hydraulic eddy flow disperser design is crucial.
Invention content
The purpose of the present invention is to provide a kind of flat flow hydraulic cyclone setting pot hydraulic cyclone dispersers, so as in water
Preferable hydraulic cyclone effect, and simple and efficient are formed in power rotational flow grit chamber, equipment is few, and Operation and Maintenance is simple.
To achieve the above object, technical scheme is as follows：A kind of flat flow hydraulic cyclone setting pot hydraulic cyclone
Disperser, it is characterised in that the hydraulic cyclone disperser includes：
Hydraulic cyclone pumps, and the hydraulic cyclone pump is connected with waterpower diffuser, for sewage to be pressed into waterpower diffuser；
Waterpower diffuser, the waterpower diffuser are fixed on bottom of pond along pond length direction by rack support, and the waterpower expands
Separate tube uses reducing form, big close to Turo pump side caliber, small far from Turo pump side caliber, by certain on waterpower diffuser
Spacing install jet nozzle, spray to form vertical eddy flow from each jet nozzle of waterpower diffuser, and with the level along pond length direction
Stream superposition forms spiral flow, to achieve the purpose that separated sand.
Further, the hydraulic cyclone pump is installed on setting pot water outlet, to have separated the sewage of sand grains
It is pressed into waterpower diffuser, hydraulic cyclone pump is avoided to cause to wear because of the sand grains in sewage, influence hydraulic cyclone pump uses the longevity
Life.
Further, hydraulic cyclone pump uses variable-frequency diving pump, can according to influent quality runoff investigation operating condition,
To adjust nozzle flow velocity and flow, reach stable desanding effect.
Further, waterpower diffusion pipe end is provided with Hand-operated butterfly valve, Hand-operated butterfly valve is in normal when normal operation
Closed state.
Further, the jet nozzle opening straight up, avoids and is washed away to pond body, the flow of jet stream is made to help
It glides in the sedimentation of sand grains, while convenient for artificial clear and coherent.
Further, the jet nozzle is big close to Turo pump side arrangement of nozzles spacing, far from one side nozzle of Turo pump
Arrange that spacing is small, this arrangement form keeps the effect of water inlet end hydrocyclones strong, and hydrocyclones effect in water outlet is weak, meets desanding
Journey rule.
Further, the hydraulic cyclone pump discharge is according to every cubic metre of 0.1~0.2m of sewerage jet flow amount3Wet concentration is fixed；It raises
Journey is determined by guarantee 5.0~7.0m/s of nozzle flow velocity through pipeline hydraulic calculation.
Further, the waterpower diffuser caliber is selected by 1.0~2.0m/s of velocity in pipes.
Further, the waterpower diffuser includes the diffuser of several sections of different tube diameters, the diffusion of the different tube diameters
Pipe is arranged by pipe diameter size, is connected by reducing pipe between neighboring diffuser pipe, is formed continuous variable-diameter structure, caliber is avoided to reduce
Cause pipeline hydraulic pressure power rapid drawdown greatly, to keep nozzle flow velocity too small.
Further, the injector spacing of the diffuser of the different tube diameters and nozzle diameter are also corresponding different, the nozzle
Spacing is considered by 1~3m；Injection stream flow presses every cubic metre of 0.1~0.2m of sewage3Water is fixed；Injection stream flow velocity by 5.0~
7.0m/s considers, takes high level when wherein the setting pot depth of water is big, and setting pot depth of water hour takes low value, nozzle flow velocity and injector spacing,
Nozzle diameter relational expression is as follows：
v：Nozzle flow velocity (m/s)；
k：Unit volume sewerage jet flow flow (every cubic metre of 0.1~0.2m of sewage3Water)；
A:Setting pot cross-sectional area (m2)；
d：Injector spacing (m),
D：Nozzle diameter (m).
Further, the vertical eddy flow that the injection stream is formed, eddy flow tangent line flow velocity are with depth of water relational expression：
It is risen to during setting pot free surface from jet expansion：V=aH2+bH+c
It is dropped to during setting pot bottom from setting pot free surface：V=mH+n
v：Eddy flow tangent line flow velocity (m/s)；
H：The depth of water (m) is 0 at free surface；
a、b、c、m、n：Constant related with fluid temperature, density and the coefficient of viscosity, should be by testing and simulating determination；
The vertical eddy flow tangent line flow velocity that injection stream is formed should can maintain 0.2m/s in the process in entire swirling motion
More than, effectively remove rate with ensure sand grains, under conditions of ensureing minimum eddy flow tangent line flow velocity, according to eddy flow tangent line flow velocity with
Depth of water relational expression calculates exit velocity at nozzle, final to determine the bore of nozzle, then presses nozzle flow velocity and injector spacing, jet hole
Diameter relational expression determines injector spacing and nozzle diameter.
The invention has the advantages that：Equipment is few, simple and efficient；Hydraulic cyclone pump frequency conversion is run, can be according to influent quality
Runoff investigation operating condition changes swirl strength, reaches stable desanding effect；It is arranged by waterpower diffuser reducing, reaches section
Save tubing purpose；Simultaneously by the preferred arrangement to jet nozzle opening direction and spacing, setting pot desanding effect is greatly improved.
Nozzle flow velocity and injector spacing, the relational expression of nozzle diameter relational expression and eddy flow flow velocity and the setting pot depth of water are given simultaneously,
The design of Practical Project is facilitated to calculate, to reach best desanding effect.
Description of the drawings
Fig. 1 is the arrangement schematic diagram of patent of the present invention.
Fig. 2 is flat flow hydraulic cyclone setting pot vertical section schematic diagram.
In figure：1- hydraulic cyclones pump, 2- waterpower diffusers, 3- nozzles, 4- reducing pipes, 5- wall bushings, 6- Hand-operated butterfly valves,
7- rack supports.
Fig. 3 is helical flow schematic diagram.
Specific implementation mode
Patent of the present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser, includes mainly that hydraulic cyclone pumps
1 and waterpower diffuser 2.The hydraulic cyclone pump 1 is installed on setting pot water outlet, and sand grains will have been separated by certain flow
Sewage is pressed into the waterpower diffuser 2, installs several jet nozzles 3 on the diffuser 2 at a certain distance, sewage in diffuser
Form vertical eddy flow from the ejection of the jet nozzle 3, and with the level stream superimposed rows along pond length direction at spiral flow (such as Fig. 2 institutes
Show), to achieve the purpose that efficiently separate sand grains.Here level stream refers to water of the pond body from water inlet end to water outlet itself
Flow direction.
The hydraulic cyclone pump uses variable-frequency diving pump, flow to press every cubic metre of sewerage jet flow amount 0.2m3Wet concentration is fixed.
The waterpower diffuser 2 is fixed on bottom of pond side by rack support 7, and diffuser uses reducing form, close to rotation
Stream pump side caliber is big, small far from Turo pump side caliber.Diffuser caliber divides third gear, respectively DN400, DN300 and
DN200 is connected using reducing pipe 4 at reducing.2 end of waterpower diffuser is stretched out by wall bushing outside pond, and in waterpower
Hand-operated butterfly valve 6 is arranged in 2 end of diffuser, is used for the emergent maintenance of diffuser, and when normal operation is in normally off.
3 opening upwards of the jet nozzle (as shown in Figure 2), setting pot water outlet arrangement of nozzles spacing is big, and setting pot goes out
Water end (W.E.) arrangement of nozzles spacing is small, and wherein DN400 diffusers pipeline section nozzle setting spacing is 3m, and DN300 diffuser pipeline section nozzles are set
It is 2m to set spacing, and it is 1m that spacing, which is arranged, in DN200 diffuser pipeline section nozzles.
According to a particular embodiment of the invention, pass through experiment and calculating simulation, it is determined that eddy flow tangent line flow velocity is closed with the depth of water
It is that formula is：
It is risen to during setting pot free surface from jet expansion：V=0.6842H2-0.8178H+0.6394
It is dropped to during setting pot bottom from setting pot free surface：V=0.0326H+02618
To ensure the removal effect of sand grains, minimum eddy flow tangent line flow velocity is considered by 0.2m/s, by eddy flow tangent line flow velocity and water
It is about 6.5m/s that deep relational expression, which calculates exit velocity at delivery nozzle, then presses nozzle flow velocity and injector spacing, nozzle diameter relational expression
It is comprehensive to determine injector spacing, nozzle diameter.
Nozzle flow velocity and injector spacing, nozzle diameter relational expression are as follows：
v：Nozzle flow velocity (m/s)；
k：Unit volume sewerage jet flow flow (every cubic metre of 0.1~0.2m of sewage3Water)；
A:Setting pot cross-sectional area (m2)；
d：Injector spacing (m)；
D：Nozzle diameter (m).
The above is the preferred embodiment of patent of the present invention, is not intended to restrict the invention patent, all of the invention special
Within the spirit and principle of profit application, any modification, equivalent replacement, improvement and so on should all belong to covering for patent of the present invention
Range.
Claims (9)
1. a kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser, it is characterised in that the hydraulic cyclone disperser
Including：
Hydraulic cyclone pumps, and the hydraulic cyclone pump is connected with waterpower diffuser, for sewage to be pressed into waterpower diffuser；
Waterpower diffuser, the waterpower diffuser are fixed on bottom of pond, the waterpower diffuser along pond length direction by rack support
It is big close to Turo pump side caliber using reducing form, it is small far from Turo pump side caliber, on waterpower diffuser at a certain distance
Jet nozzle is installed, sprays to form vertical eddy flow from each jet nozzle of waterpower diffuser, and is folded with the level stream along pond length direction
Add to form spiral flow, to achieve the purpose that separated sand.
2. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, which is characterized in that the water
Power Turo pump is installed on setting pot water outlet, so that the sewage for having separated sand grains is pressed into waterpower diffuser, avoids sewage
In sand grains to hydraulic cyclone pump cause to wear.
3. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, which is characterized in that the water
Power Turo pump uses variable-frequency diving pump, according to influent quality runoff investigation operating condition, adjusts nozzle flow velocity and flow, reaches steady
Determine desanding effect.
4. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, which is characterized in that described
Waterpower diffusion pipe end is provided with Hand-operated butterfly valve, and Hand-operated butterfly valve is in normally off when normal operation.
5. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, which is characterized in that described to penetrate
Flow nozzle is open straight up.
6. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, which is characterized in that described to penetrate
Flow nozzle is big close to Turo pump side arrangement of nozzles spacing, small far from Turo pump side arrangement of nozzles spacing, the injector spacing
Consider by 1~3m.
7. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, which is characterized in that the water
Power diffuser includes the diffuser of several sections of different tube diameters, and the diffuser of the different tube diameters is arranged by pipe diameter size, adjacent expansion
It is connected by reducing pipe between separate tube, forms continuous variable-diameter structure.
8. flat flow hydraulic cyclone setting pot hydraulic cyclone disperser as claimed in claim 7, which is characterized in that it is described not
Also corresponding different with the injector spacing and nozzle diameter of the diffuser of caliber, the injector spacing is considered by 1~3m；Injection stream
Flow presses every cubic metre of 0.1~0.2m of sewage3Water is fixed；Injection stream flow velocity is by 5.0~7.0m/s considerations, nozzle flow velocity and nozzle
Spacing, nozzle diameter relational expression are as follows：
v：Nozzle flow velocity, unit m/s；
k：Unit volume sewerage jet flow flow, every cubic metre of 0.1~0.2m of sewage3Water；
A:Setting pot cross-sectional area, unit m2；
d：Injector spacing, unit m；
D：Nozzle diameter, unit m.
9. hydraulic cyclone setting pot hydraulic cyclone disperser as described in claim 1, it is characterised in that the injection stream shape
At vertical eddy flow, eddy flow tangent line flow velocity is with depth of water relational expression：
It is risen to during setting pot free surface from jet expansion：V=aH2+bH+c
It is dropped to during setting pot bottom from setting pot free surface：V=mH+n
v：Eddy flow tangent line flow velocity (m/s)；
H：The depth of water (m) is 0 at free surface；
a、b、c、m、n：Constant related with fluid temperature, density and the coefficient of viscosity, should be by testing and simulating determination；
The vertical eddy flow tangent line flow velocity that injection stream is formed should can maintain 0.2m/s or more in the process in entire swirling motion,
Rate is effectively removed with ensure sand grains, under conditions of ensureing minimum eddy flow tangent line flow velocity, according to eddy flow tangent line flow velocity and the depth of water
Relational expression calculates exit velocity at nozzle, then by nozzle flow velocity and injector spacing, nozzle diameter relational expression determine injector spacing and
Nozzle diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496859.4A CN108579143A (en) | 2018-05-22 | 2018-05-22 | A kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496859.4A CN108579143A (en) | 2018-05-22 | 2018-05-22 | A kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser |
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| Publication Number | Publication Date |
|---|---|
| CN108579143A true CN108579143A (en) | 2018-09-28 |
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ID=63632588
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810496859.4A Pending CN108579143A (en) | 2018-05-22 | 2018-05-22 | A kind of flat flow hydraulic cyclone setting pot hydraulic cyclone disperser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321114A (en) * | 2020-10-30 | 2021-02-05 | 上海市政工程设计研究总院（集团）有限公司 | Anaerobic digestion tank and sewage treatment plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663593A (en) * | 1992-08-24 | 1994-03-08 | Hachiro Yoshizawa | Water purifying method and device for closed water area |
| DE19830082C1 (en) * | 1998-07-06 | 2000-05-25 | Bertram Botsch | Sand trap for water clarification plants in which an induced rotation is confined to a path defined, apart from the basin wall, by a movable central plate. |
| DE102009013763A1 (en) * | 2009-03-18 | 2010-09-23 | Botsch, Bertram, Dipl.-Ing. | Sand catcher for e.g. sewage treatment plant, has deflection unit arranged in inlet region and discharging inflow into downward flow of swirling flow, and electron gun arranged at longitudinal wall adjacent to deflection unit |
| CN107698002A (en) * | 2017-11-20 | 2018-02-16 | 黄福芝 | A kind of high efficient aeration setting pot |
-
2018
- 2018-05-22 CN CN201810496859.4A patent/CN108579143A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663593A (en) * | 1992-08-24 | 1994-03-08 | Hachiro Yoshizawa | Water purifying method and device for closed water area |
| DE19830082C1 (en) * | 1998-07-06 | 2000-05-25 | Bertram Botsch | Sand trap for water clarification plants in which an induced rotation is confined to a path defined, apart from the basin wall, by a movable central plate. |
| DE102009013763A1 (en) * | 2009-03-18 | 2010-09-23 | Botsch, Bertram, Dipl.-Ing. | Sand catcher for e.g. sewage treatment plant, has deflection unit arranged in inlet region and discharging inflow into downward flow of swirling flow, and electron gun arranged at longitudinal wall adjacent to deflection unit |
| CN107698002A (en) * | 2017-11-20 | 2018-02-16 | 黄福芝 | A kind of high efficient aeration setting pot |
Non-Patent Citations (2)
| Title |
|---|
| 胡维杰等: "大型污水处理厂设计中需要注意的问题", 《中国给水排水》 * |
| 金兆丰主编: "《21世纪的水处理》", 31 March 2003, 北京：化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112321114A (en) * | 2020-10-30 | 2021-02-05 | 上海市政工程设计研究总院（集团）有限公司 | Anaerobic digestion tank and sewage treatment plant |
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