CN202207511U

CN202207511U - Fluidic power cyclone separator

Info

Publication number: CN202207511U
Application number: CN2011203201485U
Authority: CN
Inventors: 吴熙; 郑晓丹
Original assignee: Civil Airports Of China Construction Group Co
Current assignee: Civil Aviation Airport Planning and Design Research Institute Limited
Priority date: 2011-08-30
Filing date: 2011-08-30
Publication date: 2012-05-02
Anticipated expiration: 2021-08-30

Abstract

The utility model provides a fluidic power cyclone separator which can adapt to the complicated and variable rainwater conflux environment of non-point pollutants and can realize high-efficiency treatment of various pollutants. The fluidic power cyclone separator comprises a well body, a column-shaped casing positioned at the center of the well body, a fine particle sieving pillar connected with the upper end of the column-shaped casing, a water outlet pipe positioned at the lower end of one side of the well body, a water inlet pipe positioned at the upper end of the other side of the well body and connected with the column-shaped casing in a tangential manner, a clear water chamber positioned at the lower part of the periphery of the column-shaped casing, and a fine particle filtering and separation chamber positioned at the upper end of the clear water chamber and between the column-shaped casing and the inner wall of the well body; the upper end of the column-shaped casing and the outer side of the fine particle sieving pillar form a floater storage chamber, and the lower part of the inner side of the column-shaped casing forms a coarse particle cyclone settling chamber; and a deposit storage chamber is arranged at the lower part of the well body.

Description

The fluid dynamic cyclone separator

Technical field

The utility model relates to a kind of separator, especially a kind of fluid dynamic cyclone separator.

Background technology

Fluid dynamic cyclone separator developing history abroad can be traced back to generation nineteen sixty, the blank that BernardSmisson builds and tested the cyclonic separation facility at the Bristol of Britain, and be used to handle the overflow of combined system pipeline.The hydroseparator of the first generation can effectively be detained 70% pollution total amount (Smi s son, 1967).Development and commercialization since the 1980's, fluid dynamic cyclone separator have become the experimentize theme of performance evaluation of Europe, North America, Japan.(Brombach，1992；Hedgeset?al.，1993；Averill?et?al.，1997；Arnett?and?Gurney，1998；and?Okamoto?et?al.，2002)。These performance evaluations mainly comprise aspects such as the particle diameter, density, settling property of the particle that becomes a mandarin, and have stressed getting in touch and importance between sewage characteristic (especially sinking speed distribution) and the facility treatment effect.At present, the range of application of fluid dynamic cyclone separator comprises the water quality control measure of collaborating pipeline, wastewater treatment, and rainwater is handled.Wherein, Only have in the fluid dynamic cyclone separation process of centrifugal sedimentation separation function,

and VortechsTM have stronger representativeness.

CDS cyclone separator by the exploitation of Australian CDS company has added elliptical orifice-hoop screen cloth and has held back function, and adopted separation chamber's charging in the tangential, the mode of outer separation chamber discharging on the basis of conventional fluid power cyclone separator.This technological operation mechanism is that rainfall runoff or interflow system sewage water conservancy diversion are gone into the CDS cyclone separator, utilizes the acting in conjunction of eddy flow and circular screen, and realization is held back and cyclonic separation, and the water after the processing gets into outflow tube after through the grease baffle plate.This fluid dynamic cyclone separator mainly is made up of tangential water inlet pipe, downflow weir, hoop screen cloth, oil-shutting-off plate, sediment apotheca, tangential outlet pipe.The CDS cyclone separator has the particle of floating things such as polybag, cigarette end, leaf and greater particle size holds back effect preferably, and the setting of oil-shutting-off plate and grease sorbing material has also improved the removal effect of grease to a certain extent in addition.But,, can't guarantee fine grain removal effect because the screen size on the hoop screen cloth receives the influence of blockage problem.

By the Vortechs rainwater treatment system of Polish Vortechnics manufactured, under high flow condition, be used for separating and being detained floating thing and sediment.This system as separating main body, promotes deposit fouling thing to migrate to sedimentation basin center through mild swirling motion by the cylindricality rotational flow grit chamber, and deposition.Floating pollutants then floats on the liquid level, and is higher than vertical barricade bottom, is detained.Vor techs rainwater treatment system mainly is made up of tangential water inlet pipe, rotational flow grit chamber, oil storage storehouse, vertical barricade, downflow weir.Vortechs rainwater treatment system realizes the best to the removal effect of sediment and suspension when handling little rainfall incident.But in large and medium-sized rainfall incident, the clearance that sinks to the bottom thing and grease is very low, and suspending can appear in setting pot in the pollutant that before is trapped again.

The utility model content

The utility model provides a kind of can be adapted to the area source pollutants rainwater complicated and changeable environment that confluxes, and can realize the efficient fluid dynamic cyclone separator of handling of each pollutant.

Realize the fluid dynamic cyclone separator of the utility model purpose, comprise the well body, be positioned at the cylindrical shell at said well body center; The fine grained screening post that links to each other with said cylindrical shell upper end; Be positioned at the outlet pipe of said well body one side lower end, be positioned at the water inlet pipe of said well body opposite side upper end, said water inlet pipe and said cylindrical shell tangential join; Be positioned at the said cylindrical shell clean water chamber of bottom all around, be positioned at the fine grained isolated by filtration chamber of said clean water chamber upper end; The outside of the upper end of said cylindrical shell and said fine grained screening post surrounds the floating thing apotheca, and the inboard bottom of said cylindrical shell surrounds coarse granule eddy flow expansion chamber; The bottom of said well body is the deposit apotheca; Said floating thing apotheca is connected with coarse granule eddy flow expansion chamber; Said coarse granule eddy flow expansion chamber is connected with the deposit apotheca; Said coarse granule eddy flow expansion chamber is connected with fine grained isolated by filtration chamber through fine grained screening post; Said fine grained isolated by filtration chamber is connected with clean water chamber, and said fine grained isolated by filtration chamber is connected with clean water chamber through overfall, and said clean water chamber is connected with outlet pipe.

The beneficial effect of the fluid dynamic cyclone separator of the utility model is following:

1, with respect to the fluid dynamic cyclone separator that only has single cyclonic separation function, this utility model has increased the filler filtering function, has effectively improved cyclone separator to fine grain removal effect.

2, effectively separate through floating thing, coarse granule, fine grained etc. are mixed pollutant, and on this basis all contaminations is carried out efficient processing with strong points, realized that the centrifugal sedimentation separation function combines with the effective of filler filtering function.

3, with respect to packing filter device, this invention can be applicable to rainfall runoff pollution situation more complicated and changeable, the filter effect of reinforcement filler, the service life of prolongation filler.

Description of drawings

Fig. 1 is the structural representation of the utility model fluid dynamic cyclone separator.

Fig. 2 is the A-A cutaway view of Fig. 1.

The specific embodiment

Like Fig. 1, shown in 2, the fluid dynamic cyclone separator of the utility model comprises well body 1; Be positioned at the cylindrical shell 3 at said well body 1 center, the fine grained that links to each other with said cylindrical shell 3 upper ends sieves post 4, is positioned at the outlet pipe 8 of said well body 1 one side lower ends; Be positioned at the water inlet pipe 7 of said well body opposite side upper end; Said water inlet pipe 7 joins with said cylindrical shell 3 tangentials, is positioned at said cylindrical shell 3 clean water chamber 6 of bottom all around, is positioned at the fine grained isolated by filtration chamber 5 of said clean water chamber 6 upper ends; The outside of the upper end of said cylindrical shell 3 and said fine grained screening post 4 surrounds floating thing apotheca 13, and said cylindrical shell 3 inboard bottoms surround coarse granule eddy flow expansion chamber 12; The bottom of said well body 1 is a deposit apotheca 11; Said floating thing apotheca 13 is connected with coarse granule eddy flow expansion chamber 12; Said coarse granule eddy flow expansion chamber 12 is connected with deposit apotheca 11; Said coarse granule eddy flow expansion chamber 12 is connected with fine grained isolated by filtration chamber 5 through fine grained screening post 4; Said fine grained isolated by filtration chamber 5 is connected with clean water chamber 6, and said fine grained isolated by filtration chamber 5 is connected with clean water chamber 6 through overfall 2.Said clean water chamber 6 is connected with outlet pipe 8.

The operation principle of the fluid dynamic separator of the utility model is following:

Like Fig. 1, shown in 2; The rainfall runoff that mixes suspension, floating thing gets into inside, coarse granule separation chamber by water inlet pipe 7; And the formation eddy flow, at centrifugal force, entad under the acting in conjunction of buoyancy and fluid drag force, density is less than the solid floating thing of water; To move towards the center of rotational flow field in the horizontal direction, vertically will rotate upwards to floating thing apotheca 13.The rainfall runoff of suspended particulate carried under one's arms moves downward along coarse granule eddy flow expansion chamber 12; Coarse granule is then under the effect of centrifugal force field; Move to the limit of coarse granule eddy flow expansion chamber 12 wall; And in follow-up flow under the promotion of particle, this part particle will sink to the deposit apotheca 11 of bottom along coarse granule eddy flow expansion chamber 12 limit walls.Density will move towards the center of rotational flow field less than the solid suspended particle of water in the horizontal direction equally, and move to bottom post mouth around fine grained screening post 4, and the post mouth inwardly turns over and gets into fine grained isolated by filtration chamber 5 from fine grained screening bottom again.Finally, after rainfall runoff passes through the 5 interior filler filtrations of fine grained isolated by filtration chamber, get into clean water chamber 6 and the outer downstream line that drains into.When the filler inflow-rate of water turbine was not enough, water level went up to overfall 2 places in the fine grained isolated by filtration chamber 5, carried out the overflow discharging.

Embodiment recited above describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Design under the spiritual prerequisite not breaking away from the utility model; Various distortion and improvement that the common engineers and technicians in this area make the utility model technical scheme all should fall in the protection domain that claims of the utility model confirm.

Claims

1. a fluid dynamic cyclone separator is characterized in that: comprise the well body, be positioned at the cylindrical shell at said well body center; The fine grained screening post that links to each other with said cylindrical shell upper end; Be positioned at the outlet pipe of said well body one side lower end, be positioned at the water inlet pipe of said well body opposite side upper end, said water inlet pipe and said cylindrical shell tangential join; Be positioned at the said cylindrical shell clean water chamber of bottom all around, be positioned at the fine grained isolated by filtration chamber of said clean water chamber upper end; The outside of the upper end of said cylindrical shell and said fine grained screening post surrounds the floating thing apotheca, and the inboard bottom of said cylindrical shell surrounds coarse granule eddy flow expansion chamber; The bottom of said well body is the deposit apotheca; Said floating thing apotheca is connected with coarse granule eddy flow expansion chamber; Said coarse granule eddy flow expansion chamber is connected with the deposit apotheca; Said coarse granule eddy flow expansion chamber is connected with fine grained isolated by filtration chamber through fine grained screening post; Said fine grained isolated by filtration chamber is connected with clean water chamber, and said fine grained isolated by filtration chamber is connected with clean water chamber through overfall, and said clean water chamber is connected with outlet pipe.